On April 3–4, 1974, a violent tornado outbreak described as "the outbreak of the century" caused widespread devastation across 13 states in the United States and 1 Canadian province.[1] Dubbed the "Super Outbreak" and "Jumbo Outbreak", 149 tornadoes touched down in a 24-hour period. It is the second-largest continuous outbreak only behind the 2011 Super Outbreak which produced 358 tornadoes over a three-day period.[2][3] However, the 1974 outbreak remains the most violent on record with 30 F4/5 tornadoes.[4] At times, up to 15 tornadoes were on the ground simultaneously.[5] A team of meteorologists led by Tetsuya Theodore Fujita studied the outbreak, compiling aerial surveys, ground surveys, photographs, and videos to construct a complete picture of the events.[6] A total of 310–335 fatalities and 5,454 to 6,142 injuries are attributed to the outbreak.[2][3][7] Destruction of property was widespread and ruinous: 7,512 homes, 2,091 mobile homes, and 3,996 farm buildings were destroyed; 14,336 homes, 909 mobile homes, and 2,871 farm buildings suffered damage; 1,497 small buisiness were damaged or destroyed.[3] Total damage exceeded $600 million (1974 USD).[7][8]

Activity occurred across three rounds throughout the 24-hour event, with the second and third being the most prolific.[9]

The scale of destruction prompted sweeping changes in how public awareness of severe weather was handled and a reorganization of the National Weather Service itself. News broadcasters began running storm coverage beyond normal hours and local governments utilized the Emergency Broadcast System more frequently.[8]

Prior to 1990, there is a likely undercount of tornadoes, particularly E/F0–1, with reports of weaker tornadoes becoming more common as population increased. A sharp increase in the annual average E/F0–1 count by approximately 200 tornadoes was noted upon the implementation of Doppler Radar in 1990–1991.[10] 1974 marked the first year where significant tornado (E/F2+) counts became homogenous with contemporary values, attributed to the consistent implementation of Fujita Scale assessments.[11] Numerous discrepancies on the details of tornadoes in this outbreak exist between sources. The total count of tornadoes and ratings differs from various agencies accordingly. The list below documents information from the most contemporary official sources alongside assessments from tornado historian Thomas Grazulis. All times are listed as described in Abbey and Fujita 1981 unless noted otherwise for consistency.

Confirmed tornadoes

edit
Daily statistics of tornadoes during the Super Outbreak of April 3–4, 1974[nb 1][7]
Date Total Fujita scale rating[nb 2] Deaths Injuries Damage[nb 3]
 F0   F1   F2   F3   F4   F5 
April 3 130 12 24 33 31 23 7 10–11 211–254 >$9,301,000
April 4 19 6 8 2 3 0 0
Total 149 18 32 35 34 23 7 310–335 5,454–6,142 ~$600,000,000


Color/symbol key
Color / symbol Description
§ Data from Shamburger 2015, 2021/2022
Data from Grazulis 1990/1993
Data from Abbey and Fujita 1981
Data from a local National Weather Service office
Data from the 1974 Storm Data publication
Data from the NCEI database
Maximum width of tornado
Confirmed tornadoes during the Super Outbreak of April 3–4, 1974[nb 1]
F# Location County / Parish State Coord.[nb 4] Date Time (UTC)[nb 5] Path length Max. width[nb 6] Damage Fujita Tor#[15]
F2 NE of Whitestown Boone IN 40°02′N 86°18′W / 40.03°N 86.30°W / 40.03; -86.30 (Whitestown (April 3, F2)) April 3 13:30‡ 0.12 mi (0.19 km)※ 50 yd (46 m)※
A tornado touched down over an open field.[16]: 5  It is listed as a F2 tornado in the National Centers for Environmental Information (NCEI) database;[17] however, Grazulis did not include it in his Significant Tornadoes book and it is not depicted in Ted Fujita's outbreak map.[18][19] This tornado was produced by a mesoscale convective system that developed ahead of the two main rounds of tornadic activity.[19]
F0 Morris Grundy IL 41°22′N 88°25′W / 41.37°N 88.42°W / 41.37; -88.42 (Morris (April 3, F0)) April 3 18:10–18:11B 0.5 mi (0.80 km)♭ 10 yd (9.1 m)‡ $1,000 1
This was the first tornado associated with the outbreak listed by Fujita.[9] The Storm Data publication lists this event as a funnel cloud that did not reach the ground; accompanying winds caused $1,000 in damage.[16]: 4 [20]
F2 Ellijay to Blue Ridge Gilmer, Fannin GA 34°41′N 84°30′W / 34.68°N 84.50°W / 34.68; -84.50 (Whitestown (April 3, F2)) April 3 18:50–19:20B 19 mi (31 km)† 200 yd (180 m)† $800,000 123
5 injuries — This strong tornado caused extensive damage to homes—some of which had their roof torn off or were otherwise destroyed—trees, and power lines. Five people were injured and losses reached $800,000.[16]: 3 [21] The tornado moved close to Cherry Log, damaging several homes in the area. The community of Aska was impacted before the tornado crossed Blue Ridge Lake, damaging homes in the area. Newspaper reports indicate the tornado lifted near Blue Ridge and touched back down near Hemp where one home and several farm buildings were destroyed.[22] Sources differ significantly on the timing of this tornado: the NCEI database lists the tornado as occurring at 18:00 UTC,[23] Grazulis lists 19:15 UTC,[21] and the Storm Data publication lists 23:30 UTC.[16]: 3 
F1 Etowah McMinn TN 35°20′N 84°34′W / 35.33°N 84.57°W / 35.33; -84.57 (Etowah (April 3, F1)) April 3 19:00–19:05D 3.3 mi (5.3 km)¶ 80 yd (73 m)¶♯ 112
This was the first of two tornadoes to impact Etowah. Damage from this tornado is unspecified; the combined effects are listed under the second Etowah tornado.[16]: 17 [24][25]
F1 S of Lincoln to McLean Logan, McLean IL 40°07′N 89°20′W / 40.12°N 89.33°W / 40.12; -89.33 (Lincoln (April 3, F1)) April 3 19:03–19:19A 15 mi (24 km)♭ 177 yd (162 m)‡ $600,000 3
This tornado moved northeast at a fast pace, roughly 70 mph (110 km/h).[26] It caused $600,000 in property damage in McLean.[16]: 4 [27]
F1 N of West Baden Springs to E of Mitchell Orange, Lawrence IN 38°37′N 86°35′W / 38.62°N 86.58°W / 38.62; -86.58 (West Baden Springs (April 3, F1)) April 3 19:03–19:20B 13 mi (21 km)♭ 177 yd (162 m)‡ 34
1 death, 4 injuries — This tornado moved along an intermittent path.[16]: 5  South of Orleans, a mobile home and an unoccupied home were destroyed; two people were injured in the former. Another home east of Spring Mill State Park in the Stonington area was destroyed with both occupants injured. A metal shed on the property was blown away and could not be found. Two other homes suffered minor damage. Several trees and power lines were snapped or uprooted.[28] The Storm Data publication lists one fatality and four injuries while the NCEI database lists none.[16]: 5 [17][29]
F3 SW of Cleveland to N of Benton Bradley, Polk TN 35°06′N 84°55′W / 35.10°N 84.92°W / 35.10; -84.92 (Cleveland (April 3, F3)) April 3 19:03–19:26B 13 mi (21 km)† 1,050 yd (960 m)¶# $4,500,000 113
1 death. 100 injuries — This was one of two tornadoes to impact areas around Cleveland. Extensive damage to occurred to many homes. A trailer park east of Cleveland was almost completely destroyed, with only 1 of 20 remaining; one person died here.[16]: 16 [21] At least 120 homes were damaged, of which 73 were destroyed, in Cleveland.[30] A total of 100 people were injured and damage reached $4.5 million.[21][24][25]
F0 E of Carlock McLean IL 40°35′N 89°02′W / 40.58°N 89.03°W / 40.58; -89.03 (Carlock (April 3, F0)) April 3 19:07–19:08A 0.5 mi (0.80 km)♭ 33 yd (30 m)‡ A tornado was reported without causing damage.[16]: 4 [27] 2
F0 Mountain City Rabun GA April 3 19:09–19:10D 0.5 mi (0.80 km)♭ Details on this tornado are unspecified.[31] This tornado was omitted from the NCEI database.[7] 130
F3 E of Mitchell to ENE of Azalia Lawrence, Jackson, Bartholomew, Jennings IN 38°46′N 86°18′W / 38.77°N 86.30°W / 38.77; -86.30 (Mitchell (April 3, F3)) April 3 19:15–20:05B 38 mi (61 km)† 300 yd (270 m)‡ 1 death, 23 injuries — This tornado moved along an intermittent path,[16]: 6  causing extensive damage to farms.[32] A block foundation poultry building, egg farm, and barn were destroyed north of Medora.[33] A well-anchored mobile home was torn from its frame and obliterated, killing the occupant.[32][34] Continuing toward Jonesville, the tornado caused extensive damage to homes, mobile homes, and farm buildings. A high tension power line collapsed along I-65. "Extreme damage" took place in areas near Acme and Freetown.[35] 35
F5 S of Huffman to Depauw to Martinsburg to NE of Underwood Perry, Crawford, Harrison, Washington, Clark, Scott IN 38°04′N 86°45′W / 38.07°N 86.75°W / 38.07; -86.75 (Depauw (April 3, F5)) April 3 19:16–20:25B 62 mi (100 km)† >1,760 yd (1,610 m)†♯ 6–7 deaths, 76–95 injuries – See section on this tornado – This was the first of seven F5 tornadoes to touch down during the outbreak. It caused extensive damage to small communities, with the worst occurring in Depauw and Martinsburg. In the latter, 38 of the town's 48 homes were destroyed. Six or seven people were killed and 76–95 people were injured by this tornado.[16]: 6 [21][29] 40
F3 WSW of Decatur to W of Oreana Christian, Macon IL 39°43′N 89°08′W / 39.72°N 89.13°W / 39.72; -89.13 (Decatur (April 3, F3)) April 3 19:30–19:50B 19 mi (31 km)† 350 yd (320 m)‡ 1 death, ≥26 injuries — See section on this tornado 5
F0± SE of Murphy Cherokee NC 35°03′N 83°57′W / 35.05°N 83.95°W / 35.05; -83.95 (Murphy (April 3, F0)) April 3 19:40–19:41C 0.5 mi (0.80 km)♭ Fujita rated this tornado F0;[15] however, the NCEI database lists is as a F1 tornado.[24] 124
F3 SSW of Colfax to E of Anchor McLean IL 40°31′N 88°37′W / 40.52°N 88.62°W / 40.52; -88.62 (Colfax (April 3, F3)) April 3 19:48–19:57A 8 mi (13 km)† 350 yd (320 m)‡
File:Anchor, Illinois, 1974 tornado vortices.png
Damage swaths in a corn field near Anchor left by multiple vortices

A multiple vortex tornado destroyed two homes and damaged eight farms. Another home was lifted off its foundation. Debris was lofted up to 10 mi (16 km) away.[21] Chicken coops were destroyed, killing many. Farm equipment was mangled beyond recognition.[36] The multiple vortex nature of the tornado was most evident near Anchor where corn stubble was destroyed in spiraling patterns.[16]: 4 [21][27] Damage was estimated at $700,000.[37] Hundreds of local residents assisted farmers with the clean up.[36]

4
F3 NW of Shelbyville to NE of Greenfield Shelby, Hancock IN 39°35′N 85°52′W / 39.58°N 85.87°W / 39.58; -85.87 (Shelbyville (April 3, F3)) April 3 19:50–20:10A 17 mi (27 km)† 1,760 yd (1,610 m)※ 25 injuries — See section on this tornado family 31
F1 Owaneco Christian IL 39°28′N 89°12′W / 39.47°N 89.20°W / 39.47; -89.20 (Owaneco (April 3, F1)) April 3 19:47–19:56A 8 mi (13 km)♭ 70 yd (64 m)‡ Several homes suffered roof damage in Owaneco.[16]: 4  An unoccupied home and several were destroyed near Boody. Two-hundred farmers assisted with debris clean up and salvage.[38][27] 7
F4+ SE of Grammer to Hamburg to S of Laurel Bartholomew, Decatur, Franklin IN 39°08′N 85°43′W / 39.13°N 85.72°W / 39.13; -85.72 (Grammer (April 3, F4)) April 3 20:00–20:42B 37 mi (60 km)† 1,200 yd (1,100 m)¶# 4 deaths, 17 injuries — [16]: 6  About 3 mi (4.8 km) southwest of New Point, a farmstead was completely leveled. Grazulis assessed damage here to be near-F5 intensity.[32] An April 19, 1974, states damage was "definitely...at [F5] level in Hamburg."[39] Two people were killed southeast of Greensburg when their home was destroyed.[32] Seven planes were destroyed at the Puttman Airport near the town, one of which was thrown 500 ft (150 m). Damage to the airport exceeded $100,000.[40] Tremendous damage occurred in Hamburg where 90 percent of the town was damaged or destroyed.[32] Only six of the town's homes were left standing.[41] A mother and daughter died when their mobile home was hurled into a tree.[32][17][42] 36
F4 E of Westland to Grant City to Kennard to N of Cadiz Hancock, Rush, Henry IN 39°35′N 85°52′W / 39.58°N 85.87°W / 39.58; -85.87 (Grant City (April 3, F4)) April 3 20:02–20:25A 20 mi (32 km)† 1,000 yd (910 m)※ 1 death, 17 injuries — See section on this tornado family 32
F1± NE of Maryville Blount TN 35°47′N 83°55′W / 35.78°N 83.92°W / 35.78; -83.92 (Maryville (April 3, F1)) April 3 20:09–20:10C 1 mi (1.6 km)♭ 150 yd (140 m)¶# 1–2 injuries — A brief tornado touched down near Maryville; one or two people were reportedly injured.[16]: 17 [25] Seven mobile homes were destroyed and a few homes sustained roof damage.[43] The NCEI database and National Weather Service Office in Morristown, Tennessee, list this as a F2 tornado;[25][24] however, Fujita rated as F1 and Grazulis does not list this event in his Significant Tornadoes book.[15][18] 111
F1 SE of Farmer City to W of Fisher Piatt, Champaign IL 40°13′N 88°36′W / 40.22°N 88.60°W / 40.22; -88.60 (Farmer City (April 3, F1)) April 3 20:14–20:27B 13 mi (21 km)♭ 20 yd (18 m)‡ A large barn and corn crib were destroyed.[44][27] 6
F4 NE of Henryville to Hanover to Madison to W of Cross Plains Clark, Scott, Jefferson, Ripley IN 38°33′N 85°45′W / 38.55°N 85.75°W / 38.55; -85.75 (Hanover (April 3, F4)) April 3 20:19–21:06B 38 mi (61 km)† 1,760 yd (1,610 m) 11 deaths, 190 injuries — [16]: 6  See section on this tornado 41
F0 NE of Hammond Piatt IL 39°48′N 88°34′W / 39.80°N 88.57°W / 39.80; -88.57 (Hammond (April 3, F0)) April 3 20:20–20:25B 4 mi (6.4 km)♭ 20 yd (18 m)‡ A tree was knocked over onto a car in Pierson.[44][27] 8
F1§ SE of Cunningham Montgomery TN 36°23′N 87°22′W / 36.38°N 87.37°W / 36.38; -87.37 (Cunningham (April 3, F1)) April 3 20:30 0.25 mi (0.40 km) 25 yd (23 m)♯ This brief tornado was unreported prior to Shamburger's 2021 reanalysis of Middle Tennessee tornadoes. One mobile home was destroyed, with debris scattered hundreds of yards away.[45]
F5 SW of Hardinsburg, KY, to Brandenburg, KY, to NNW of Laconia, IN Breckenridge (KY), Meade (KY), Harrison (IN) KY, IN 37°44′N 86°32′W / 37.73°N 86.53°W / 37.73; -86.53 (Brandenburg (April 3, F5)) April 3 20:30–21:22A 34 mi (55 km)† 800 yd (730 m)† 31 deaths, 270 injuries — See section on this tornado 47
F5 SW of Xenia to Downtown Xenia to N of South Charleston Green, Clark OH 39°38′N 84°03′W / 39.63°N 84.05°W / 39.63; -84.05 (Xenia (April 3, F5)) April 3 20:32–21:09A 32 mi (51 km)† 1,300 yd (1,200 m)‡♯ 34–36 deaths, 1,150 injuries — See article on this tornado 37
F1 NW of Cleveland Hamilton TN 35°15′N 85°01′W / 35.25°N 85.02°W / 35.25; -85.02 (Cleveland (April 3, F1)) April 3 20:33–20:40C 5.9 mi (9.5 km)¶ 80 yd (73 m)¶# Details on this tornado are unspecified.[24][25] 109
F4 SW of Blountsville to N of Ridgeville Henry, Delaware, Randolph, Jay IN 40°03′N 85°16′W / 40.05°N 85.27°W / 40.05; -85.27 (Blountsville (April 3, F4)) April 3 20:35–20:58A 22 mi (35 km)† 1,760 yd (1,610 m)†# 1 death, 12 injuries — See section on this tornado family 33
F3 E of Tolono to N of Philo Champaign IL 39°59′N 88°14′W / 39.98°N 88.23°W / 39.98; -88.23 (Tolono (April 3, F3)) April 3 20:44–20:52A 8 mi (13 km)† 70 yd (64 m)† 1 death — One person was killed near where the tornado touched down when their mobile home was lofted and obliterated.[44] Northeast of Tolono, a barn and three toolsheds were destroyed and five cows were killed on the property. The most severe damage occurred on four farmsteads west of Philo where many buildings were destroyed.[46][16]: 4  The Storm Data publication lists this tornado as continuing into Vermillion County;[16]: 4  however, contemporary analyses indicate that two separate tornadoes occurred with another F3 forming to the southeast.[32][27] Damage from the three tornadoes in Champaign reached $800,000.[44] 9
F3 ENE of Cleveland to southern Etowah Bradley, Polk, McMinn TN 35°11′N 84°52′W / 35.18°N 84.87°W / 35.18; -84.87 (Cleveland (April 3, F3)) April 3 20:55–21:26A 24 mi (39 km)† 1,500 yd (1,400 m)¶# 3 deaths, 50 injuries — This was the second tornado to strike Etowah.[15] The two tornadoes severely damaged 100 homes and a large shopping plaza across Bradley County. One person was killed in Cleveland and two in Etowah.[43][16]: 17 [47] Thirty-seven homes were damaged or destroyed in McMinn County.[47][24][25] 114
F3 S of Sydney to E of Ogden Champaign, Vermillion IL 39°57′N 88°04′W / 39.95°N 88.07°W / 39.95; -88.07 (Homer Lake (April 3, F3)) April 3 20:58–21:14A 17 mi (27 km)† 350 yd (320 m)‡ Shortly after the 20:44 UTC F3 Tolono tornado dissipated, the same supercell produced another tornado near Sydney.[16]: 4 [48] Moving on a brisk northeast trajectory, the tornado struck the Homer Lake Park Preserve. The park headquarters and several homes were destroyed.[32] Aerial surveys by Fujita revealed a large area of ground scouring from two suction vortices near Homer Lake.[49] Three semi trucks and three cars were blown off of I-74 just east of Ogden. No one was injured in those vehicles but one person was injured in a subsequent accident related to them.[44][27] 10
F4 W of Caneyville to Big Clifty Grayson, Hardin KY 37°25′N 86°34′W / 37.42°N 86.57°W / 37.42; -86.57 (Caneyville (April 3, F4)) April 3 21:00–21:34B 28 mi (45 km)† 150 yd (140 m)† 2 injuries — One home was leveled near Caneyville.[50][29] 52
F0± SSW of Rosman Transylvania NC 35°07′N 82°50′W / 35.12°N 82.83°W / 35.12; -82.83 (Rosman (April 3, F1)) April 3 21:00–21:01D 1 mi (1.6 km)‡ 30 yd (27 m)‡ Details on this tornado are unspecified. Fujita rated this as a F0 tornado;[15] however, the NCEI database lists this as a F1 tornado.[51] 132
F2 SW of Florence to London to SW of West Jefferson Clark, Madison OH 39°47′N 83°43′W / 39.78°N 83.72°W / 39.78; -83.72 (Florence (April 3, F2)) April 3 21:01–21:20A 15 mi (24 km)† 180 yd (160 m)† As the Xenia tornado weakened, a second tornado formed to the east near Florence.[48] It produced F2 damage along its path, destroying trailers, grain bins, and a warehouse.[50] A few structures were damaged in the center of London. This tornado was initially believed to have just been thunderstorm winds based on public reports of no funnel cloud.[16]: 14  38
F4 S of Manville to Aurora Jefferson, Switzerland, Ohio, Dearborn IN 38°46′N 85°16′W / 38.77°N 85.27°W / 38.77; -85.27 (Manville (April 3, F4)) April 3 21:04–21:29A 28 mi (45 km)† 1,133 yd (1,036 m)‡ This tornado formed as the 20:19 UTC Henryville–Cross Plains, Indiana, F4 tornado was dissipating.[50] The two tornadoes were on the ground simultaneously near Madison.[42][29] A third funnel was reported but it did not touch down.[16]: 6  Homes and forests were totally destroyed west of Fairview and a church was demolished north of Bear Branch.[50] As this tornado weakened and turned north, another tornado formed to its southeast.[52] 42
F1 W of Springfield Robertson TN 36°29′N 86°59′W / 36.48°N 86.98°W / 36.48; -86.98 (Coopertown (April 3, F1)) April 3 21:05–21:11B 6 mi (9.7 km)§ 50 yd (46 m)§# Shamburger 2021 and the NCEI database list this as a F1 tornado.[45] Fujita rated this as a F0 tornado.[15] 60
F2 Concord Jefferson AL 33°27′N 87°03′W / 33.45°N 87.05°W / 33.45; -87.05 (Concord (April 3, F2)) April 3 21:15–21:21:16C 1 mi (1.6 km)† 800 yd (730 m)†# A brief tornado destroyed an outbuilding and trailer and damaged one home.[16]: 22 [50][53] 104
F2 Bismarck Vermillion IL 40°15′N 87°38′W / 40.25°N 87.63°W / 40.25; -87.63 (Bismarck (April 3, F2)) April 3 21:18–21:25A 7 mi (11 km)† 175 yd (160 m)† 12 injuries — The local high school was damaged and several homes were destroyed. Monetary losses reached $1 million. Twelve people sustained injuries.[16]: 4 [32][42] 11
F1 S of Mattoon to NE of Charleston Coles IL 33°27′N 87°03′W / 33.45°N 87.05°W / 33.45; -87.05 (Concord (April 3, F1)) April 3 21:22–21:33B 14.8 mi (23.8 km)‡ 70 yd (64 m)‡ A home and barns were damaged on a farmstead and several homes were damaged around Charleston.[44][27] A 100 ft (30 m) antenna was folded in half. The 1974 Storm Data publication states that six funnel clouds were observed around Charleston with no confirmed tornado;[16]: 4  however, this event was later classified as a tornado by Fujita.[48] 17
F5 N of Rising Sun, IN, to Belleview, KY, to Sayler Park Ohio (IN), Boone (KY), Hamilton (OH) IN, KY, OH 38°58′N 84°53′W / 38.97°N 84.88°W / 38.97; -84.88 (Saylor Park (April 3, F5)) April 3 21:28–21:51B 21 mi (34 km)† 1,320 yd (1,210 m)※# 3 deaths, 210 injuries — See section on this tornado 43
F3 W of Gold City to E of Smiths Grove Simpson, Warren, Barren KY 36°43′N 86°32′W / 36.72°N 86.53°W / 36.72; -86.53 (Gold City (April 3, F3)) April 3 21:34–22:05B 25 mi (40 km)† 40 barns and seven homes were wrecked at Temperance.[16]: 8 [54][29] 61
F3 W of Attica to Rainsville to S of Judy Warren, Benton IN 40°17′N 87°29′W / 40.28°N 87.48°W / 40.28; -87.48 (Attica (April 3, F3)) April 3 21:37–22:02B 26 mi (42 km)† 700 yd (640 m)† The entire community of Rainsville, 20 homes in all, was damaged.[16]: 6 [47][20][17] 12
F4 Louisville to W of Buckner Jefferson, Oldham KY 38°12′N 85°45′W / 38.20°N 85.75°W / 38.20; -85.75 (Louisville (April 3, F4)) April 3 21:37–21:59A 21 mi (34 km)† 200 yd (180 m)† 2 deaths, 228 injuries — See section on this tornado[16]: 8 [54][29] 48
F2± Ballplay Monroe TN 35°31′N 84°21′W / 35.52°N 84.35°W / 35.52; -84.35 (Ballplay (April 3, F1)) April 3 21:37–21:50C 9 mi (14 km)♭ 600 yd (550 m)¶# Seven homes and several barns were destroyed or severely damaged.[16]: 17 [24] The NWS Office in Morristown, Tennessee, lists this as a F2 tornado.[24][25] Fujita rated this as a F1 tornado and Grazulis does not list this event in his Significant Tornadoes book.[15][18] 115
F4 NW of Elizabethtown to N of Farfield Hardin, Bullitt, Nelson, Spencer KY 37°43′N 85°54′W / 37.72°N 85.90°W / 37.72; -85.90 (Elizabethtown (April 3, F4)) April 3 21:43–22:33A 42 mi (68 km)† 400 yd (370 m)† "Several" homes in Nelson County sustained F4-level damage, being described as "leveled".[16]: 7 [55][54][29] 53
F4 W of Otterbein to Monticello to Ligonier to NW of Wolcottville Benton, Tippecanoe, White, Cass, Pulaski, Fulton, Marshall, Kosciusko, Elkhart, Noble, Lagrange IN 40°30′N 87°08′W / 40.50°N 87.13°W / 40.50; -87.13 (Otterbein (April 3, F4)) April 3 21:47–23:47A 121 mi (195 km)† 1,760 yd (1,610 m)‡ 18 deaths, 362 injuries — See section on this tornado[16]: 6  According to Grazulis, this was likely a family of three distinct tornadoes rather than a single, continuous event.[54][20][17] 13
F4 Northeastern Cincinnati to N of Mason Hamilton, Butler, Warren OH 39°11′N 84°29′W / 39.18°N 84.48°W / 39.18; -84.48 (Cincinnati (April 3, F4)) April 3 21:52–23:14B 20 mi (32 km)† 350 yd (320 m)‡ [16]: 14 [47][42][29] 44
F2† Paris Edgar IL April 3 22:00–22:02C 2 mi (3.2 km)† This brief tornado destroyed a barn and mobile home and shifted two frame homes off their foundation.[50] This tornado was omitted from the NCEI database.[7] 18
F3 SE of Ellisville to ENE of Laurel Jones MS 31°33′N 89°11′W / 31.55°N 89.18°W / 31.55; -89.18 (Ellisville (April 3, F3)) April 3 22:00–22:19C 12 mi (19 km)† 150 yd (140 m)† 1 injury — This tornado moved along an intermittent path from MS 29 to MS 15 to east-northeast of Laruel.[16]: 10 [56] A pecan grove was damaged near MS 29.[57] It destroyed 1 home, damaged 35 others, and damaged or destroyed 30 farm buildings. A chicken house was destroyed, killing 15,000 chickens inside. Damage was estimated at $150,000.[16]: 10 [47] One person was injured by flying debris.[57] 105
F1 SE of La Grange to SW of Jonesville Oldham, Henry, Owen OH 38°23′N 85°20′W / 38.38°N 85.33°W / 38.38; -85.33 (La Grange (April 3, F1)) April 3 22:04–22:27B 21.3 mi (34.3 km)‡ [16]: 8 [42][29] 49
F2+ Southeastern Nashville Williamson, Davidson TN 35°59′N 86°41′W / 35.99°N 86.69°W / 35.99; -86.69 (Nashville (April 3, F2))§ April 3 22:07–22:20A 12 mi (19 km)§ 400 yd (370 m)§# 1 death — One person died from a heart attack as the tornado approached Percy Priest Lake.[43]

[16]: 17  Grazulis and Shamburger assert this tornado was likely of F3 intensity.[45][47]

67
F2 Greenback Loudon TN 35°40′N 84°10′W / 35.67°N 84.17°W / 35.67; -84.17 (Greenback (April 3, F2)) April 3 22:09–22:11A 2 mi (3.2 km)† 300 yd (270 m)¶# Seven homes were damaged in Greenback, one of which had its roof removed.[16]: 17 [24][25][54] 110
F2 S of Lebanon to NE of Pekin Warren OH 39°23′N 84°14′W / 39.38°N 84.23°W / 39.38; -84.23 (Lebanon (April 3, F2)) April 3 22:12–22:22B 10 mi (16 km)† 175 yd (160 m)† [16]: 14 [54][42] 45
F2 W of New Albany Franklin OH 40°05′N 82°51′W / 40.08°N 82.85°W / 40.08; -82.85 (New Albany (April 3, F2)) April 3 22:13–22:18C 5 mi (8.0 km)† 90 yd (82 m)† Nearly an hour after the 21:01 UTC F2 London tornado dissipated, a third tornado from the Xenia supercell formed near New Albany.[48] It destroyed 3 barns and 1 home and damaged 20 other homes.[54] A 345,000 volt transmission line was torn from its tower.[16]: 14  39
F0± W of Circleville Pickaway OH 39°36′N 83°00′W / 39.60°N 83.00°W / 39.60; -83.00 (Circleville (April 3, F0)) April 3 22:18–22:19A 1 mi (1.6 km)‡ 10 yd (9.1 m)‡ Fujita lists this as a F0 tornado;[15] however, the NCEI database lists it as a F1. Seven people were injured.[42] 50
F1 NW of Jacksonville Calhoun AL 33°52′N 85°50′W / 33.87°N 85.83°W / 33.87; -85.83 (Jacksonville (April 3, F1)) April 3 22:21–22:22B 1 mi (1.6 km)‡ 800 yd (730 m)‡ [16]: 22 [53] 126
F1 SE of Columbia to NW of Chapel Hill§ Maury, Marshall§ TN 35°35′N 86°56′W / 35.59°N 86.94°W / 35.59; -86.94 (Columbia (April 3, F1))§ April 3 22:25–22:37C 10 mi (16 km)§ 100 yd (91 m)§# [16]: 17 [45] 71
F2 SE of Heflin, AL, to S of Pine Log Mountain Cleburne (AL), Haralson (GA), Paulding (GA), Cobb (GA), Bartow (GA), Cherokee (GA) AL, GA 33°33′N 85°28′W / 33.55°N 85.47°W / 33.55; -85.47 (Heflin (April 3, F2)) April 3 22:29–00:00B 65 mi (105 km)† 200 yd (180 m)† 1 death, 20 injuries — This long-lived tornado touched down southeast of Heflin near the Alabama-Georgia border. Only minor tree damage occurred before it moved into Georgia.[54] Newspaper reports indicated this was originally considered to be several tornadoes. Seven members of one family were injured in Buchanan, one of whom was a pregnant mother who was in critical condition.[22] Her child was stillborn in the hospital and listed as the sole fatality from this tornado.[54][58] Eight people were injured in Yorkville in Paulding County. Power outages accompanied the tornado as it moved through northern Cobb County.[22] A mobile home park was damaged near Cartersville in Bartow County, resulting in several injuries.[59] In Cherokee County, damage was reported to homes along SR 92.[22] Damage was estimated at $2 million.[16]: 3 [53][23] 127
F3 SW of Centre to Alexis Cherokee AL 34°03′N 85°49′W / 34.05°N 85.82°W / 34.05; -85.82 (Centre (April 3, F3)) April 3 22:35–22:48B 14 mi (23 km)† 800 yd (730 m) [16]: 22 [54] The NCEI database lists this tornado as occurring at 00:00 UTC and has a path length of 20.9 mi (33.6 km).[53] 118
F4 S of Greensburg to Mannsville Green, Taylor KY 37°13′N 85°28′W / 37.22°N 85.47°W / 37.22; -85.47 (Mannsville (April 3, F4)) April 3 22:40–23:08B 29 mi (47 km)† 800 yd (730 m)† [16]: 8 [60][29] 62
F3†§ NE of Lebanon to Dickson Springs Wilson, Trousdale, Smith TN 36°14′N 86°14′W / 36.23°N 86.24°W / 36.23; -86.24 (Lebanon (April 3, F3))§ April 3 22:50–23:13A 18 mi (29 km)§ 300 yd (270 m)§ A trailer was destroyed east of Lebanon.[43][16]: 17  This event was listed as a F2 tornado in the NCEI database; however, Fujita, Grazulis, and Shamburger assessed it as a F3.[45] Grazulis further indicated that it was near-F4 levels in Dickson Springs.[54] 68
F4 Alton to Frankfort to Stamping Ground Anderson, Franklin, Scott KY 38°03′N 85°04′W / 38.05°N 85.07°W / 38.05; -85.07 (Alton (April 3, F4)) April 3 22:50–23:28B 36 mi (58 km)† 800 yd (730 m)† [16]: 7 [60][29] 54
F2 NW of Phil Campbell to Oak Grove Franklin AL 34°20′N 87°44′W / 34.33°N 87.73°W / 34.33; -87.73 (Phil Campbell (April 3, F2)) April 3 23:01–23:15B 12 mi (19 km)† 350 yd (320 m)† This tornado was originally considered to be part of the 23:50 UTC F5 Mount Hope–Harvest event.[16]: 22 [60][61] 95
F3 NW of Downtown Murfreesboro to Statesville Rutherford, Wilson TN 35°52′N 86°25′W / 35.87°N 86.42°W / 35.87; -86.42 (Murfreesboro (April 3, F3))§ April 3 23:03–23:26C 19 mi (31 km)§ 100 yd (91 m)§ This tornado formed at the end of a damaging rear-flank downdraft within the Murfreesboro city limits. After touching down, the tornado downed trees and caused minor damage to homes around the Stones River Golf Course. Continuing northeast across northern areas of Murfreesboro, the tornado caused minor damage to many structures.[45] Five homes were destroyed in the Valley View community north of Murfreesboro.[43] Three homes sustained severe damage near Lancassas. Beyond this point, the tornado's track is uncertain but it is believed to have continued into Wilson County and dissipated near Statesville.[45] Newspaper reports from The Tennessean state 20 injuries occurred in the Murfreesboro area;[43] however, these were not attributed to the tornado by Shamburger 2021 or Fujita.[16]: 17 [45][54] 72
F3 SW of Hustonville to Junction City to Herrington Lake Casey, Lincoln, Boyle KY 37°26′N 84°55′W / 37.43°N 84.92°W / 37.43; -84.92 (Alton (April 3, F3)) April 3 23:10–23:55B 18 mi (29 km)† [16]: 7 [60][29] 63
F2§ NW of Lewisburg to N of Unionville Marshall, Bedford TN 35°28′N 86°50′W / 35.46°N 86.84°W / 35.46; -86.84 (Nashville (April 3, F2))§ April 3 23:14–23:34C 20 mi (32 km)§ 200 yd (180 m)§# Originally rated F1 by Fujita and later reassessed as a F2 by Shamburger 2022.[16]: 17 [45] However, Grazulis did not list this event in his Significant Tornadoes book.[18] 78
F1 N of Farmington to SE of Unionville Marshall, Bedford TN 35°30′N 86°44′W / 35.50°N 86.74°W / 35.50; -86.74 (Farmington (April 3, F1))§ April 3 23:14–23:45B 15 mi (24 km)§ [16]: 17 [45] 79
F5 Mount Hope to Moulton to ESE of Harvest Lawrence, Morgan, Limestone, Madison AL 34°20′N 87°44′W / 34.33°N 87.73°W / 34.33; -87.73 (Moulton (April 3, F5)) April 3 23:20–00:21B 51 mi (82 km)† >1,320 yd (1,210 m)†♯ 28 deaths, 267–280 injuries — See section on this tornado

[16]: 22 [61][53]

96
F4 SW of Sugar Valley to NW of Resaca Gordon, Whitfield, Murray GA 34°30′N 85°03′W / 34.50°N 85.05°W / 34.50; -85.05 (Sugar Valley (April 3, F4)) April 3 23:30–00:00C 26 mi (42 km)† 880 yd (800 m)¶# 9–10 deaths – This violent tornado touched down near Sugar Valley and leveled homes along the from east side of town northeast toward Raseca. More than 50,000 chickens were killed in Gordon County.[60] Seven people, four from one family and three from another,[62][63] were killed in the Sugar Hill area.[60][62] Two people were killed in a mobile home park near Dalton.[60][64] In Chatsworth, the wall of a rug mill collapsed, trapping 60 people for several hours;[65] one person died here and the mill suffered $5 million in losses.[60][64] Local NWS surveys indicated a maximum width around 0.5 mi (0.80 km).[65] At least 200 people were injured.[60]

The NCEI database erroneously lists this tornado as occurring an hour earlier.[16]: 3 [60][23]

119
F3 S of Oakwood to NW of Continental Paulding, Putnam OH 41°02′N 84°24′W / 41.03°N 84.40°W / 41.03; -84.40 (Oakwood (April 3, F3)) April 3 23:33–23:43B 10 mi (16 km)† 350 yd (320 m)‡ [16]: 14 [60] Storm Data lists the event time at approximately 22:30 UTC;[16]: 14  the NCEI database lists this tornado as occurring at 00:45 UTC.[66] 27
F1 SE of North Manchester Wabash, Whitley IN 40°58′N 85°44′W / 40.97°N 85.73°W / 40.97; -85.73 (North Manchester (April 3, F1)) April 3 23:35–23:45D 7.1 mi (11.4 km)‡ 90 yd (82 m)‡ Details on this tornado are unspecified.[66] 19
F4 S of Kettle to Ida to Piney Woods to Mill Springs Cumberland, Clinton, Wayne KY 36°39′N 85°22′W / 36.65°N 85.37°W / 36.65; -85.37 (Kettle (April 3, F4)) April 3 23:35–00:04B 30 mi (48 km)† 1,760 yd (1,610 m)# [16]: 7 [60][29][67] 69
F4 NNW of Aliceville to Jasper to Cullman to Fairview Pickens, Tuscaloosa, Fayette, Walker, Cullman AL 33°16′N 88°12′W / 33.27°N 88.20°W / 33.27; -88.20 (Cullman (April 3, F4)) April 3 23:44–01:48A 103 mi (166 km)† 800 yd (730 m)‡ [16]: 22 [60][61][53] 103
F2 Windfall to Swayzee to E of Sweetser Tipton, Howard, Grant IN 40°23′N 85°58′W / 40.38°N 85.97°W / 40.38; -85.97 (Windfall (April 3, F2)) April 3 23:45–00:08B 19 mi (31 km)† 350 yd (320 m)† 12 injuries — [16]: 6 [17][66] Twelve people were injured.[60] A trailer park in the southeastern corner of Swayzee was largely destroyed; eight people were injured here. Natural gas lines were damaged across town, sparking several fires.[68] 21
F1 SE of Lagrange Lagrange IN 41°35′N 85°23′W / 41.58°N 85.38°W / 41.58; -85.38 (Lagrange (April 3, F1)) April 3 23:51–23:59B 8.8 mi (14.2 km)‡ 350 yd (320 m)‡ Details on this tornado are unspecified.[66] 14
F3 SW of Brimfield to S of South Milford to NNW of Freemont Noble, Lagrange, Steuben IN 41°25′N 85°28′W / 41.42°N 85.47°W / 41.42; -85.47 (Brimfield (April 3, F3)) April 3 23:53–00:29B 36 mi (58 km)† 700 yd (640 m) The Storm Data publication indicates this tornado continued for an additional 34 mi (55 km) into Michigan; however, this is not supported by contemporary analyses.[16]: 6, 9 [60][66] 15
F3 Lees Lick to Poindexter to Claysville Harrison, Robertson KY 38°20′N 84°26′W / 38.33°N 84.43°W / 38.33; -84.43 (Lees Lick (April 3, F4)) April 3 23:55–00:21B 25 mi (40 km)† [16]: 7 [60][42] 55
F3 WNW of Monticello to W of Burnside Wayne, Pulaski KY 36°51′N 84°58′W / 36.85°N 84.97°W / 36.85; -84.97 (Monticello (April 3, F3)) April 3 23:56–00:24B 24 mi (39 km)† 150 yd (140 m)† This tornado was on the ground simultaneously in Wayne County with the 23:40 UTC Kettle–Mill Springs F4 tornado.[16]: 7 [69][67] 70
F1 Aberdeen, OH Butler (KY), Brown (OH), Adams (OH) KY, OH 38°40′N 83°45′W / 38.67°N 83.75°W / 38.67; -83.75 (Aberdeen (April 3, F1)) April 3 00:10–00:20E 9.1 mi (14.6 km)‡ 180 yd (160 m)‡ Fujita's analysis indicates this tornado began aloft near Maysville and touched down along the North Fork Licking River by the Kentucky–Ohio border.[15] Details on the impacts of this tornado are unspecified. The exact timing of this tornado is very uncertain;[70] The NCEI database lists a duplicate event for Maysville at 01:25 UTC.[42] 56
F2 Robbinsville to Stecoah Graham, Swain NC 35°20′N 83°49′W / 35.33°N 83.82°W / 35.33; -83.82 (Robbinsville (April 3, F2)) April 3 00:10–00:25C 12 mi (19 km)† Storm Data lists this as part of a long-lived tornado originating in Cherokee County.[16]Cite error: The <ref> tag name cannot be a simple integer (see the help page).[71][24] Significant discrepancies exist for this tornado. Storm Data lists this part of a long-lived, intermittent tornado that tracked across Cherokee, Graham, and Swain counties. However, the publication indicates it touched down three hours later.[16]: 13 [24][51][72] 117
F2 W of Danville to eastern Pleasant Hill to NE of Harrodsburg Boyle, Mercer KY 37°41′N 84°56′W / 37.68°N 84.93°W / 37.68; -84.93 (Danville (April 3, F2)) April 3 00:15–00:35A 18 mi (29 km)† [16]: 7 [60][29] 58
F2 SW of Bluffton to W of Peterson Wells, Adams IN 40°44′N 85°15′W / 40.73°N 85.25°W / 40.73; -85.25 (Bluffton (April 3, F2)) April 3 00:15–00:27C 12 mi (19 km)† 175 yd (160 m)† [69][66] 24
F3 SE of Readyville to Dowelltown Cannon, DeKalb TN 35°49′N 86°10′W / 35.81°N 86.16°W / 35.81; -86.16 (Dowelltown (April 3, F3)) April 3 00:17–00:35C 20 mi (32 km)¶ 100 yd (91 m)¶ [16]: 17 [45][60] The Dowelltown Manufacturing Co. was destroyed, leaving 200 people unemployed.[73] 80
F4 Cottonburg to N of Richmond to E of Mount Sterling Garrard, Madison, Clark KY 37°43′N 84°30′W / 37.72°N 84.50°W / 37.72; -84.50 (Cottonburg (April 3, F4)) April 3 00:18–00:57B 35 mi (56 km)† 400 yd (370 m)

7 deaths, 28 injuries — This tornado predominantly tracked through rural areas.[74] The majority of damage occurred near Richmond, with thirty homes destroyed.[16]: 8 [69][29]

64
F3 WNW of West Union to E of Peebles Adams KY 38°40′N 83°45′W / 38.67°N 83.75°W / 38.67; -83.75 (West Union (April 3, F1)) April 3 00:20–00:37B 16 mi (26 km)† 150 yd (140 m)† [16]Cite error: The <ref> tag name cannot be a simple integer (see the help page).[69][42] 51
F2 SW of Warren to S of Markle Huntington IN 40°40′N 85°30′W / 40.67°N 85.50°W / 40.67; -85.50 (Warren (April 3, F2)) April 3 00:20–00:30C 11 mi (18 km)† 350 yd (320 m)† [69][66] 22
F4 Ball Ground to Juno to W of Dahlonega Cherokee, Pickens, Dawson, Lumpkin GA 34°22′N 84°20′W / 34.37°N 84.33°W / 34.37; -84.33 (Ball Ground (April 3, F4)) April 3 00:22–00:53B 24 mi (39 km)† 200 yd (180 m)† [16]: 9 [69][23] One person was killed and three others were injured near Marble Hill in Pickens County.[59] 128
F1 NNE of Bluffton to NW of Decatur Wells, Adams IN 40°46′N 85°09′W / 40.77°N 85.15°W / 40.77; -85.15 (Bluffton (April 3, F2)) April 3 00:25–00:40C 10.9 mi (17.5 km)‡ 350 yd (320 m)‡ Details on this tornado are unspecified.[66] 26
F2± SW of Melrose to N of Oakwood Paulding OH 41°05′N 84°28′W / 41.08°N 84.47°W / 41.08; -84.47 (Melrose (April 3, F2)) April 3 00:26–00:34A 8 mi (13 km)† 175 yd (160 m)† Fujita and Grazulis list this as a F2 tornado.[15][69] The NCEI database lists this as a F1 tornado.[17] 25
F5± SSW of Athens, AL, to Tanner, AL, to Capshaw, AL, to Harvest, AL, to Flintville, TN Limestone (AL), Madison (AL), Lincoln (TN), Franklin (TN) AL, TN 34°42′N 87°03′W / 34.70°N 87.05°W / 34.70; -87.05 (Second Tanner (April 3, F5)) April 3 00:30–01:25B 50 mi (80 km)† 800 yd (730 m)§ 22–27 deaths, 250–270 injuries — See section on this tornado 98
F1± Berlin Township Monroe MI 42°02′N 83°15′W / 42.03°N 83.25°W / 42.03; -83.25 (Berlin Township (April 3, F1)) April 3 00:30–00:31C 2 mi (3.2 km)† 30 yd (27 m)† A barn and shed were destroyed and other buildings were damaged near Estral Beach.[16]: 9  Fujita analyzed this as a F1 tornado and Grazulis does not list it in his Significant Tornadoes book.[18][15] The NCEI database lists this as a F2 tornado.[75] This may have been the same tornado that struck Windsor, Ontario.[16]: 9  29
F3 Northeastern Gilmer County to NW of Blue Ridge Gilmer, Fannin GA April 3 00:40–01:06B 17 mi (27 km)† 200 yd (180 m)† Fujita and Grazulis list a F3 tornado.[15][71] This tornado is omitted from the NCEI database.[7] 120
F2 W of Hillsdale to W of Clark Lake Hillsdale, Jackson MI 42°02′N 83°15′W / 42.03°N 83.25°W / 42.03; -83.25 (Hillsdale (April 3, F2)) April 3 00:44–00:59B 21 mi (34 km)† 440 yd (400 m)‡ 2–3 deaths, 31 injuries — A total of 160 homes and businesses were damaged or destroyed. Thirty-one people were injured, mostly in mobile homes.[76] Twenty trailers were destroyed and others were flipped over in a mobile home park north of Hillsdale;[77] only five people were injured here as most sought refuge in a concrete building.[78] Fifty homes were damaged or destroyed along Goose Lake and four people were injured. Forty homes and cottages were damaged or destroyed around Lake LeAnn,[77] two of which "simply disappeared."[78] Two people were killed in North Adams when a tree fell on their trailer.[77] A third person died in Jerome;[78] however, this fatality is not listed by Fujita or Grazulis. The Storm Data publication states that this tornado originated in Indiana and tracked through Branch County, with the total path length reaching 34 mi (55 km).[16]: 9 [69][66] Newspaper reports indicate the tornado aloft was sighted in five other counties.[78] 16
F2 SE of Lexington Madison, Fayette KY 37°50′N 84°26′W / 37.83°N 84.43°W / 37.83; -84.43 (Lexington (April 3, F2)) April 3 00:45–00:55C 9 mi (14 km)† [16]: 8 [69][29] 59
F4 SW of Flintville to AEDC Lincoln, Franklin, Coffee§ TN 34°59′N 86°29′W / 34.99°N 86.48°W / 34.99; -86.48 (Flintville (April 3, F4))§ April 3 00:45–01:25B 40 mi (64 km)§ 800 yd (730 m)§ [16]: 17 [60][61][79] 97
F0 Apalachia Dam Cherokee NC April 3 00:55–00:59B 3 mi (4.8 km) Significant discrepancies exist for this tornado. Storm Data lists this as the beginning of a long-lived, intermittent tornado that tracked across Cherokee, Graham, and Swain counties.[16]: 13 [24] However, the latter half of the track was a tornado that occurred 40 minutes earlier.[80] 116
F2¶ W of Cummins Falls State Park to WNW of Rickman Jackson, Putnam TN 36°15′N 85°37′W / 36.25°N 85.61°W / 36.25; -85.61 (Cummins Falls State Park (April 3, F2)) April 3 00:55–01:07C 8 mi (13 km)¶ 200 yd (180 m)¶ [16]: 17 [45] Original assessments indicated the tornado tracked from Jackson County into Overton; however, later analysis showed a track farther south from Jackson into Putnam. The analysis also revealed it to be stronger, with a rating of F2.[45] Fujita rated this as a F1 tornado and Grazulis did not list this event in his Significant Tornadoes book, indicating a rating below F2.[15][18] 81
F3 N of Ano to Elgin Pulaski, Rockcastle, Jackson KY 37°01′N 84°52′W / 37.02°N 84.87°W / 37.02; -84.87 (Ano (April 3, F3)) April 3 00:55–01:30C 30 mi (48 km)† 600 yd (550 m)† [71] The NCEI database lists this tornado as occurring at 04:30 UTC[67] 84
F4 Boone National Forest Wayne, McCreary KY 36°38′N 84°47′W / 36.63°N 84.78°W / 36.63; -84.78 (Boone National Forest (April 3, F4)) April 3 01:04–01:32R 26 mi (42 km)† 500 yd (460 m)† [16]: 8 [71] The NCEI database lists this tornado as occurring at 03:00 UTC.[67] 74
F1±† SE of Mount Sterling Montgomery KY 37°59′N 83°53′W / 37.98°N 83.88°W / 37.98; -83.88 (Mount Sterling (April 3, F1)) April 3 01:05–01:13B 4.9 mi (7.9 km)‡ This tornado is listed as a F3 in the NCEI database;[67] Fujita rated this tornado as a F1 and Grazulis does not list it in his Significant Tornadoes book.[15][18] 65
F2 Waldron to SE of Hudson Hillsdale, Lenawee MI 41°45′N 84°25′W / 41.75°N 84.42°W / 41.75; -84.42 (Hillsdale (April 3, F2)) April 3 01:05–01:10C 10 mi (16 km)† 440 yd (400 m)† 3 injuries — It is uncertain whether this was a single tornado or two distinct events.[15][66][75] A barn was destroyed and a home had its roof torn off near Prattville. One person was injured near Waldron when debris from a barn was thrown into a nearby home. Two people were injured near Hudson when their mobile home was destroyed.[71] 20
F4 Macedonia to SE of Cookeville to SE of Crawford White, Putnam, Overton TN 36°02′N 85°35′W / 36.03°N 85.59°W / 36.03; -85.59 (Macedonia (April 3, F4)) April 3 01:05–01:39C 30 mi (48 km)¶ 700 yd (640 m)¶ This tornado was originally believed to have continued into Fentress County;[16]: 17  however, contemporary analysis indicates it was two separate tornadoes, with the first lifting before reaching the Overton–Fentress County line.[45][69] 86
F2± Windsor, ON, to Grosse Pointe, MI Essex (ON), Monroe (MI) ON (Canada), MI April 3 01:09–01:16B 6–14 mi (9.7–22.5 km) 200–300 m (220–330 yd) 9 deaths, 10–25 injuries — See section on this tornado 30
F2 SE of Stamping Ground to Muddy Ford Scott KY 38°14′N 84°39′W / 38.23°N 84.65°W / 38.23; -84.65 (Stamping Ground (April 3, F2)) April 3 01:13–01:28B 14 mi (23 km)‡ [16]: 8 [71][29] 57
F2+ Big South Fork National River and Recreation Area Fentress (TN), Pickett (TN), Scott (TN), McCreary (KY) TN, KY 36°31′N 84°49′W / 36.51°N 84.82°W / 36.51; -84.82 (Big South Fork National River and Recreation Area (April 3, F2))§ April 3 01:15–01:35C 20 mi (32 km)†§ 800 yd (730 m)§# [69] Based on satellite imagery depicting the damage path nearly 50 years after the tornado, Shamburger 2022 suggests the tornado may have been of F3 or F4 intensity.[45][67] 75
F4 SE of McCaysville, GA, to Murphy, NC to SW of Marble, NC Fannin (GA), Cherokee (NC) GA, NC 34°57′N 84°18′W / 34.95°N 84.30°W / 34.95; -84.30 (McCaysville (April 3, F4)) April 3 01:15–01:45B 22 mi (35 km)† 1,050 yd (960 m)¶# 3 deaths, 40 injuries — [23] The tornado struck southeastern Murpy, damaging or destroying 45 homes and 17 mobile homes. Three fatalities occurred in the city. Forty people were injured overall.[16]: 13  It reached a width of nearly three-quarters of a mile.[24][25] The NCEI database erroneously duplicates this event.[81][24] 121
F2† NE of Payne to SW of Paulding Paulding OH 41°05′N 84°42′W / 41.08°N 84.70°W / 41.08; -84.70 (Payne (April 3, F2)) April 3 01:16–01:23A 7 mi (11 km)† 90 yd (82 m)† [71][66] 23
F1 Livingston Overton TN 36°26′N 85°13′W / 36.43°N 85.21°W / 36.43; -85.21 (Livingston (April 3, F1)) April 3 01:20–01:25C 4 mi (6.4 km)¶ 200 yd (180 m)¶# [45] 73
F4 Faix, TN, to Moodyville, TN, to W of Mount Pisgah Pickett (TN), Wayne (KY) TN, KY 36°30′N 85°08′W / 36.50°N 85.13°W / 36.50; -85.13 (Faix (April 3, F4))§ April 3 01:25–01:50B 19 mi (31 km)§ 300 yd (270 m)§ [16]: 17 [45][67][69] 82
F2 N of Whitley City to Laurel River Lake McCreary, Whitley KY 36°48′N 84°26′W / 36.80°N 84.43°W / 36.80; -84.43 (Whitley City (April 3, F2)) April 3 01:30–01:45R 13 mi (21 km)† [16]: 8 [71][67] 76
F2§ ESE of Estill Springs NW of Altamont§ Franklin, Coffee, Grundy TN 35°16′N 86°02′W / 35.26°N 86.04°W / 35.26; -86.04 (Estill Springs (April 3, F2))§ April 3 01:40–02:02B 20 mi (32 km)§ 100 yd (91 m)§ [16]: 17 [61] Shamburger 2015 rated this as a F2 tornado.[45][71] This tornado may have continued into Warren County as part of the 02:15 UTC Irving College–Spencer F3 tornado.[45] 99
F4 NE of Wilder to SE of Jamestown to SSW of Sharp Place§ Fentress TN 36°17′N 85°05′W / 36.28°N 85.09°W / 36.28; -85.09 (Wilder (April 3, F4))§ April 3 01:41–01:57C 20 mi (32 km)§ 200 yd (180 m)§ At least six people were killed in Jamestown as the tornado destroyed portions of a mobile home park and neighboring residential neighborhood. Thirty-five homes were destroyed here.[43] This was originally considered to be part of the 01:15 UTC Macedonia–Crawford F4 tornado.[16]: 17 [45][69] 87
F5 N of Vernon to Guin, to Delmar, to ESE of Decatur Lamar, Marion, Winston, Lawrence, Morgan AL 33°50′N 88°08′W / 33.83°N 88.13°W / 33.83; -88.13 (Guin (April 3, F5)) April 3 01:50–03:57¶B 79.5 mi (127.9 km)¶ 1,760 yd (1,610 m)† 28–30 deaths, 272–280 injuries — See section on this tornado – The Storm Data publication describes this event as "probably the most powerful tornado ever observed in Alabama."[16]: 22  101
F3† Corbin to W of Fogertown Laurel, Clay KY 36°58′N 84°07′W / 36.97°N 84.12°W / 36.97; -84.12 (Corbin (April 3, F3)) April 3 01:55–02:20B 21 mi (34 km)† [16]: 8 [71] The NCEI database lists this as a F2 tornado.[67] 88
F2† NW of Erie Monroe MI 41°48′N 83°31′W / 41.80°N 83.52°W / 41.80; -83.52 (Erie (April 3, F2)) April 3 01:56–01:57A 0.5 mi (0.80 km)† 30 yd (27 m)† 3 injuries — A brief tornado destroyed one home and damaged another.[71] Three people were injured, one seriously.[16]: 9 [78] The NCEI database lists this as a F3 tornado.[75] 28
F3 Kidds Crossing to Ula Wayne, Pulaski KY 36°47′N 84°42′W / 36.78°N 84.70°W / 36.78; -84.70 (Kidds Crossing (April 3, F3)) April 3 02:00–02:35C 29 mi (47 km)† [71][67] 83
F0+ Dillard Rabun GA 34°58′N 83°23′W / 34.97°N 83.38°W / 34.97; -83.38 (Dillard (April 3, F0)) April 3 02:00–02:01C 0.5 mi (0.80 km)♭ 20 yd (18 m)‡ A brief tornado damaged homes, businesses, trees, and utilities in Dillard. Losses reached $90,000.[16]: 3  The NCEI database lists it as a F2 tornado.[51] Fujita rated this tornado as a F0 and Grazulis did not list it in his Significant Tornadoes book.[18][15] 131
F3 SSW of Irving College SSW of Spencer§ Warren, Van Buren§ TN 35°16′N 86°02′W / 35.26°N 86.04°W / 35.26; -86.04 (Irving College (April 3, F3))§ April 3 02:04–02:22B 16 mi (26 km)§ 200 yd (180 m)§ [16]: 17 [45][71] This tornado may have been a continuation of the 02:00 UTC Estill Springs–Altamont F2 tornado.[45] 100
F0 London Laurel KY April 3 02:05–02:09R 3 mi (4.8 km) No information beyond the tornado's existence was found by the NWS Office in Jackson, Kentucky.[67] This tornado was omitted from the NCEI database.[7] 77
F0± Frewsburg Chatauqua NY 42°03′N 79°10′W / 42.05°N 79.17°W / 42.05; -79.17 (Frewsburg (April 3, F0)) April 3 02:57–02:58A 0.25 mi (0.40 km) 50 yd (46 m) A brief tornado damaged the roofs of several buildings in a business district of Frewsburg. Trees were downed and a few windows were shattered.[16]: 13  Fujita listed this as a F0 tornado while the NCEI database lists it as a F1.[15][82] 46
F3 SE of Decatur to southern Huntsville to E of Princeton Morgan, Limestone, Madison, Jackson AL 34°32′N 86°54′W / 34.53°N 86.90°W / 34.53; -86.90 (Huntsville (April 3, F3)) April 3 03:29–04:27A 41 mi (66 km)† 500 yd (460 m)† 2 deaths, 7–50 injuries — See section on this tornado 102
F3 Fawbush to Walnut Grove Pulaski, Laurel, Rockcastle KY 37°02′N 84°24′W / 37.03°N 84.40°W / 37.03; -84.40 (Fawbush (April 3, F3)) April 3 03:35–04:05B 24 mi (39 km)† [16]: 7 [69][29][67] 66
F1 NE of Pulaski to SW of Shelbyville Giles, Marshall, Bedford TN 35°16′N 86°56′W / 35.27°N 86.93°W / 35.27; -86.93 (Farmington (April 3, F1))§ April 3 04:00–04:30D 28 mi (45 km)§ 100 yd (91 m)§ [16]: 17 [45] 91
F3 Livingston to Monroe Overton TN 36°22′N 85°22′W / 36.36°N 85.36°W / 36.36; -85.36 (Livingston (April 3, F3))§ April 3 04:30–04:45C 13 mi (21 km)§ 400 yd (370 m)§ [16]: 17 [45] 85
F1 NW of Jessie to SE of Doyle Warren, White TN 35°46′N 85°49′W / 35.76°N 85.82°W / 35.76; -85.82 (Jessie (April 3, F1)) April 3 04:33–04:46B 20 mi (32 km)¶ 100 yd (91 m)¶ [16]: 17 [45] 92
F2† SE of Black Oak to Oneida to Norma Scott TN 36°29′N 84°36′W / 36.48°N 84.60°W / 36.48; -84.60 (Black Oak (April 3, F2)) April 3 04:48–05:01B 12 mi (19 km)† 1,200 yd (1,100 m)¶# [16]: 17 [71] The NCEI database lists this as a F3 tornado.[24] 89
F2† NE of Knoxville Knox TN 36°06′N 83°46′W / 36.10°N 83.77°W / 36.10; -83.77 (Knoxville (April 3, F2)) April 3 05:30–05:35C 4 mi (6.4 km)† 450 yd (410 m)¶# [16]: 17 [25][71] The NCEI database lists this as a F1 tornado.[24] 107
F3† E of Sparta to Woody White, Cumberland TN 35°56′N 85°20′W / 35.94°N 85.33°W / 35.94; -85.33 (Sparta (April 3, F3))§ April 3 05:30–06:00C 20 mi (32 km)§ 900 yd (820 m)¶# [16]: 17 [25][45][71] The NCEI database lists this as a F2 tornado.[7] 93
F1¶ Board Valley White TN 36°03′N 85°22′W / 36.05°N 85.36°W / 36.05; -85.36 (Board Valley (April 3, F1)) April 3 05:30–06:00D 4 mi (6.4 km) 100 yd (91 m) [45] This tornado was omitted from the NCEI database.[7] 90
F3 NE of Sunbright to Huntsville Morgan, Scott TN 36°15′N 84°40′W / 36.25°N 84.67°W / 36.25; -84.67 (Sunbright (April 3, F3)) April 3 05:50–06:05C 12 mi (19 km)† 1,050 yd (960 m)¶# [24][25][71] 94
F0 W of Jefferson City Jefferson TN 36°08′N 83°37′W / 36.13°N 83.62°W / 36.13; -83.62 (Jefferson City (April 4, F0)) April 4 06:55–07:00C 4.5 mi (7.2 km)¶ 80 yd (73 m)¶# [24][25] 108
F1 Breaks Interstate Park Dickenson VA 37°15′N 82°25′W / 37.25°N 82.42°W / 37.25; -82.42 (Breaks Interstate Park (April 4, F1)) April 4 07:00–07:05D 7.3 mi (11.7 km)‡ 17 yd (16 m)‡ [83] 138
F0 Andersonville Anderson, Union TN 36°12′N 84°04′W / 36.20°N 84.07°W / 36.20; -84.07 (Andersonville (April 4, F0)) April 4 07:20–07:30C 8.7 mi (14.0 km)¶ 600 yd (550 m)¶# [24][25] 106
F0 E of Jonesville Lee VA 36°41′N 83°04′W / 36.68°N 83.07°W / 36.68; -83.07 (Jonesville (April 4, F0)) April 4 07:21‡ 8.6 mi (13.8 km)¶ 50 yd (46 m)¶♯ [24][25] 143
F0 Rogersville Hawkins TN 36°24′N 83°02′W / 36.40°N 83.03°W / 36.40; -83.03 (Rogersville (April 4, F0)) April 4 07:50–07:51D 0.5 mi (0.80 km)¶ 80 yd (73 m)¶# [24][25] 134
F1 W of Mullensville Wyoming WV 37°34′N 81°27′W / 37.57°N 81.45°W / 37.57; -81.45 (Mullensville (April 4, F1)) April 4 08:00–08:10C 4.9 mi (7.9 km)‡ [15][16]: 21 [83] In Mullinsville, 15 homes were destroyed and 50 others suffered major damage; a mobilehome thrown into the Guyandotte River.[84] Many trees were uprooted along the hillsides surrounding the town. Five to eight people were injured.[84][85] 139
F1 Gary McDowell WV 37°23′N 81°33′W / 37.38°N 81.55°W / 37.38; -81.55 (Gary (April 4, F1)) April 4 08:00–08:01D [15][16]: 21  Details on its impacts are unspecified.[83] 141
F3 W of Coal City to Shady Spring Raleigh WV 37°40′N 81°16′W / 37.67°N 81.27°W / 37.67; -81.27 (Coal City (April 4, F3)) April 4 08:14–08:28B 12 mi (19 km)† 150 yd (140 m)† [15][16]: 21 [71][83] Homes were destroyed south of Beckley; nine people were injured. Near the tornado's origin point,[71] one trailer was destroyed in each of Coal City and Epperly. In Shady Spring, four homes and four trailers were destroyed and ten homes and three trailers were damaged.[85] Damage in the county exceeded $1 million.[86] 140
F3 Channels State Forest to Saltville Washington, Smyth VA 36°51′N 81°55′W / 36.85°N 81.92°W / 36.85; -81.92 (Channels State Forest (April 4, F3)) April 4 08:15–08:26B 9 mi (14 km)† 530 yd (480 m)¶ [16]: 20 [87] Width reached 530 yd (480 m) in Washington County but is unspecified in Smyth.[24][88] One person was killed near Saltville when their mobile home was hurled over 100 yd (91 m); his wife was injured.[89] 144
F0 Leonardtown, TN, to Bristol, VA Sullivan (TN), Bristol (City of, VA) TN, VA 36°31′N 82°30′W / 36.52°N 82.50°W / 36.52; -82.50 (Leonardtown (April 4, F0)) April 4 08:20–08:50C 18.2 mi (29.3 km)‡ 2,500 yd (2,300 m)‡ 7 injuries — Four people were hospitalized in Sullivan County after their mobile homes were destroyed. In northern Bristol, an under-construction home had its entire second story destroyed. Several other homes lost their roof. The 280 ft (85 m) tall radio antenna of WZAP collapsed during the storm.[90][16]: 20 [24][25]Seven people were injured overall.[15] Radar operators at the Tri-Cities Regional Airport did not report a tornadic signature.[90] 135
F1 Beckley Raleigh WV 37°46′N 81°10′W / 37.77°N 81.17°W / 37.77; -81.17 (Backley (April 4, F1)) April 4 08:26–08:28B [16]: 21  The NCEI database erroneously lists the tornado as occurring in Barbour County.[83] 136
F3 ENE of Beckley to Meadow Bridge to Friars Hill Raleigh, Fayette, Greenbrier WV 37°48′N 81°01′W / 37.80°N 81.02°W / 37.80; -81.02 (Beckley (April 4, F3)) April 4 08:30–09:10C 35 mi (56 km)† 1,760 yd (1,610 m)♭# 1 death, 21 injuries — [15][16]: 21 [71][83][88] The tornado moved through the New River Gorge National Park and Preserve where it traversed mountains up to 3,000 ft (910 m) and down 1,800 ft (550 m) into the valley gorges; This was the first clearly documented instance of a tornado traversing such mountainous terrain.[91] The tornado's width fluctuated between 60 and 300 yd (55 and 274 m) in this area.[92] Hardest-hit was Meadows Bridge where 10 homes were destroyed, 42 sustained major damage, and 38 had minor damage; 25 mobile homes were damaged.[85] Multiple frame homes were demolished at near-F4 intensity;[71] monetary reached $750,000.[93] Many trees were snapped in half around Meadows Bridge.[92] Aerial surveys showed two distinct damage paths that converged on Meadow Bridge;[84] however, this was assessed as a single tornado with a maximum width in excess of 1 mi (1.6 km).[15] One person was killed when their mobile home was tossed 75 yd (69 m).[71] Four trailers were destroyed and one home had major damage in Rupert.[85] Twenty-one people were injured.[71] 137
F1± Hinton Summers WV 37°40′N 80°55′W / 37.67°N 80.92°W / 37.67; -80.92 (Hinton (April 4, F1)) April 4 08:40–08:41B A six-story brick building had its roof torn off, rendering the top two floors a total loss; debris damaged a nearby bank.[84][94] Windows were shattered at many businesses and trees were downed.[84] Fujita rated this as a F1 tornado;[15][16]: 21  however, the NCEI database lists it as a F0.[88] 142
F2 Roanoke Roanoke, Roanoke (City of) VA 37°18′N 80°02′W / 37.30°N 80.03°W / 37.30; -80.03 (Roanoke (April 4, F2)) April 4 09:42–10:03A 9 mi (14 km)† 1,760 yd (1,610 m)※# The tornado touched down near VA 419 and the Lynchburg Turnpike where a trailer or pickup truck were blown across a road.[89] It was initially very large, estimated at 1 mi (1.6 km) in width, and narrowed until its dissipation.[16]: 20 [87] A new building at an elementary school had its roof collapse. Approximately 120 homes, 2 apartment complexes, and 2 schools were damaged. All 18 structures at one of the complexes were damaged, some of which lost their roof. Homes under-construction in northeastern Roanoke County were knocked off their foundations. Many outbuildings and utility poles were destroyed.[89][88] Total damage reached $400,000–500,000.[95]

The Red Cross prepared to open shelters and provide meals to displaced residents;[90] they aided 125 people displaced from one of the apartment complexes.[96]

146
F0 SE of Blue Ridge Fannin GA April 4 10:00–10:01E 0.5 mi (0.80 km) This tornado was omitted from the NCEI database.[7] 125
F1 E of Swoop to Staunton to S of Weyers Cave Augusta, Staunton (City of) VA 38°09′N 79°10′W / 38.15°N 79.17°W / 38.15; -79.17 (Staunton (April 4, F1)) April 4 11:07–11:27C 15.2 mi (24.5 km)‡ This tornado occurred within a broader area of wind damage.[16]: 20 [97]> Several barns were knocked over and highway signs were bent. A state trooper observing the tornado stated it was up to 0.5 mi (0.80 km) wide.[98] Churchville suffered $15–20,000 in property damage. A 20 to 25 ft (6.1 to 7.6 m) section of roof was torn off of the Fort Defiance high school, leaving eight classrooms with water damage. Three homes suffered wall collapses in Staunton and the Augusta County Courthouse lost part of its roof.[90] 145
F0 Brasstown Cherokee NC 35°02′N 83°58′W / 35.03°N 83.97°W / 35.03; -83.97 (Brasstown (April 4, F0)) April 4 13:00–13:01D 0.5 mi (0.80 km)♭ [16]: 13  The NCEI database includes the funnel cloud aloft portion of this tornado as part of its track.[15][24] 129
F1 Morganton to NE of Drexel Burke NC 35°45′N 81°42′W / 35.75°N 81.70°W / 35.75; -81.70 (Morganton (April 4, F1)) April 4 13:30–13:35E 6.9 mi (11.1 km)‡ A tornado touched down in Morganton and damaged several structures. The NCEI database erroneously lists this tornado as occurring on April 3.[16]: 13 [51] 147
F2 Hudson Caldwell NC 35°49′N 81°32′W / 35.82°N 81.53°W / 35.82; -81.53 (Hudson (April 4, F2)) April 4 13:45–13:50E 5 mi (8.0 km)† [16]: 13 [87][51] 148
F0 Del Rio Cocke TN 35°55′N 83°02′W / 35.92°N 83.03°W / 35.92; -83.03 (Del Rio (April 3, F0)) April 4 14:45–14:46D 0.5 mi (0.80 km)¶ 80 yd (73 m)¶ [24][25] 133

Other events

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Multiple funnels were reported with the F5 Sayler Park tornado, two of which may have been distinct tornadoes.[39] There is conflicting information on whether the damage from Waldron to Hudson, Michigan, was caused by one or two tornadoes. The Storm Data publication and NCEI database indicate two, nearly simultaneous F2 tornadoes originating near Waldron.[16]: 9 [66] However, Fujita and Grazulis list a single F2 tornado.[15][71] The Storm Data publication lists a tornado that caused no damage north of Gibson City in Ford County, Illinois.[16]: 4  This was not classified as a tornado by Fujita.[99] Fujita initially analyzed a F0 tornado to the southwest of Cherry Log in Gilmer County, Georgia (Fujita tornado #122). This was later reclassified as a "tornado cyclone" rather than a true tornado.[100] During the afternoon of April 4, two tornadoes touched down in southern Alabama.[7] The Macon News listed that additional tornadoes were reported in Powder Springs, Douglasville, Austell, and Marietta.[101] Although temporally close, they are not considered part of the Super Outbreak by Abbey and Fujita 1981 and Corfidi et al. 2010.[102][99] The Richmond Times-Dispatch reported that a tornado caused damage to a horse farm and lumber yard in Kenbridge, Lunenburg County, Virginia, with a resident reporting a cone-shaped funnel. The two properties suffered $18,000 in damage.[103]

Depauw–Martinsburg–Daisy Hill, Indiana

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Depauw–Martinsburg–Daisy Hill, Indiana
 
As the tornado moved near Depauw, a traditional condensation funnel was not observed. Rather, it had a "very hazy appearance".[50]
Meteorological history
FormedApril 3, 1974, 2:16 p.m. CDT (UTC−05:00)
DissipatedApril 3, 1974, 3:25 p.m. CDT (UTC−05:00)
Duration1 hour and 9 minutes
F5 tornado
on the Fujita scale
Overall effects
Casualties6 fatalities, 76 injuries

This was the first in a series of five consecutive violent tornadoes produced by a single supercell from southern Indiana into extreme northern Kentucky and then southwestern Ohio.[15][104] The tornado initially touched down south of Huffman around 2:16 p.m. CDT and moved along an east-northeast to northeast path.[48][21] One person died near the origin point when their mobile home was destroyed. Southeast of Branchville, one person died and another was injured while sheltering in a ditch. The bus they were previously in was thrown 50 ft (15 m) into the ditch and crushed them. In Crawford County, the tornado grew to over 1 mi (1.6 km). It skirted by several smaller communities but completely destroyed many rural farms. It struck southeastern portions of Depauw, killing one person.[21] While moving through Depauw, no condensation funnel was observed with the tornado despite its intensity and remained that way as it moved into Martinsburg.[50][105] Another person was killed east of Palmyra. In Washington County, the tornado moved directly through Martinsburg, destroying 38 out of 48 homes in the town.[21] The Indianapolis News described the town as "for all practical purposes is no longer there". Numerous trees were completely stripped of their branches and debarked.[105] The tornado soon struck Daisy Hill where several homes were completely swept away. It ultimately dissipated near New Liberty around 3:25 p.m. CDT after traveling 62 mi (100 km).[48][21]

Decatur, Illinois

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Decatur, Illinois
F3 tornado
Duration2:30 p.m. – 2:50 p.m. April 3 (UTC−05:00)
Max. rating1F3 tornado
Fatalities1 fatality, ≥26 injuries
Damage$3.2 million (1974 USD)
1Most severe tornado damage; see Fujita scale

This tornado touched down just north of the Sangamon River and traveled along an east-northeast trajectory, damaging several homes as it moved toward Decatur.[16]: 4  Residents in the area reported two funnels as the tornado intensified.[38] Many homes were damaged near Wyckles Corners in western Decatur.[16]: 4  Many trees were left "mangled and twisted" in the area.[106] After crossing the cloverleaf interchange between I-72 and US 51, it moved across a sparsely populated area of farmland. The few homes that were struck in this area were obliterated as aerial surveys shows concrete slabs and exposed basements and debris strewn across open fields. The tornado then traversed IL-121 and struck the Macon County Fairgrounds.[106] Near the Fairgrounds, one person was killed and another was injured when their mobile home was thrown into a tree and torn apart.[107] At the Macon County Fairgrounds an exhibit housing 21 boats and 2 campers was destroyed and three barns were destroyed; losses reached $100,000.[108] Along Shadow Lane, 26 homes were heavily damaged and 8 others were impacted.[109] A section of a concrete bridge was dislodged and lifted at a construction site along I-72. Across its path, the tornado destroyed 55 homes and damaged 106 others with total losses amounting to $3.2 million. A total 26 people were hospitalized but the full extent of injuries is unspecified.[16]: 4 [21][27]

The tornado struck Decatur without warning around 2:45 p.m. CST. A severe thunderstorm warning was issued at 2:43 p.m., tornado sirens were sounded at 2:48 p.m., and a tornado warning wasn't issued until 2:56 p.m. by which time the tornado had cleared Decatur and dissipated near US 51.[38][48] Local police established two command posts and dispatched officers, including off duty and auxiliary, to Decatur for patrol duties. Fifteen firefighters were deployed to check for fires and assist with downed wires while the street division assisted with debris removal. Representative Edward Rell Madigan (R-IL) pledged all possible assistance to victims.[38] Electrical service was restored to the city by 8:00 a.m. on April 4, with the exception of 35 homes. Cablevision service remained offline due to damaged wires.[110] The American Red Cross set up a relief headquarters at Boling Springs Church of God with two coordinators assisting victims with federal assistance paperwork. A canteen operated by the Salvation Army provided food and Catholic Charities distributed clothing. The Council of Community Services was likely to head long-term relief efforts.[111] All roads in the city were cleared by April 5. The tornado prompted the additional of additional procedures to an in-the-works emergency preparedness program which would now include the Inspection and Public Works Department. Faster emergency medical response was identified as a pressing issue and plans to have a mobile headquarters were made.[112] The Macon County Fairgrounds president sought state aid to repair the facility.[108]

On April 5, 300–400 volunteers, including farmers from DeWitt and Moultrie Counties, gathered at the Fairgrounds to help with clean up across the city. Heavy machinery was used by city crews in the hardest-hit areas while the volunteers focused on less damaged areas.[113] Volunteer work concluded on April 7 with more than 2,000 people assisting during the four-day period.[114] Several people suffered cuts from sheet metal while clearing debris.[113] The tornado was described as the worst to ever hit Decatur.[115]

Parker tornado family

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The Parker tornado family
TypeTornado family
Duration2:50 p.m. – 3:58 p.m. April 3 (UTC−05:00)
1 hour, 8 minutes
Tornadoes
confirmed
3 confirmed
Max. rating1F4 tornado
Fatalities2 fatalities, 54 injuries
Damage>$10 million (1974 USD)
Areas affectedIndiana
1Most severe tornado damage; see Fujita scale
Confirmed tornadoes by Fujita rating
FU F0 F1 F2 F3 F4 F5 Total
0 0 0 0 1 2 0 3

These three tornadoes in east-central Indiana were part of the seventh tornado family described by Abbey and Fujita 1981.[104] Agee et al. 1976 described it as a Type II-A family, indicating cyclical tornadoes that turn left as a new tornado forms. Twin circulations rotating around within the supercell as the tornadoes formed and dissipated.[116] Observations of the storm indicated a broad wall cloud with a smaller "pedestal cloud" extending down throughout its existence. A clear condensation funnel was not always observed, but the pedestal cloud would periodically descend and merge with debris clouds rising from the ground. Agee et al. 1976 estimated the condensation funnel to have reached 330 yd (300 m) at the ground with damaging winds extending 3,000 ft (1,000 yd).[117] The parent supercell was initially observed over central Indiana, with a funnel cloud sighted around 2:15 p.m. CDT to the northeast of Bloomington in Monroe County. A larger funnel cloud was observed over Johnson County from 2:20 to 2:30 p.m CDT.[16]: 5 [118] At 2:50 p.m. CDT, the first tornado of the family touched down near Fairland in Shelby County.[17][48] The tornado struck Fountaintown, destroying 11 homes. Twenty-five people were injured,[32][17] five of whom required hospitalization.[119] It continued along a northeast to north-northeast path into Hancock County and struck Stringtown around 3:07 p.m. CDT. A church had its roof torn off, five homes were damaged, and a bus was lofted into a tree.[120] The tornado subsequently dissipated at 3:10 p.m. CDT after traveling 17 mi (27 km).[48] It was rated F3 at its peak.[48] The Storm Data publication states this tornado was larger than the subsequent F4 tornado, with a width of 1 mi (1.6 km);[16] Grazulis lists a mean width of 400 yd (370 m).[32]

As the tornado hooked left and dissipated, a new tornado formed farther east at 3:02 p.m. CDT to the southwest of Charlottesville in Hancock County.[48][17] It initially moved on a northeast trajectory and the O'Neal Trailer Court about 2 mi (3.2 km) south of Charlottesville along the Hancock-Rush County line. All eleven mobile homes were obliterated,[121] with debris scattered up to 1 mi (1.6 km) away; only bent frames of two and part of a third were found while the remainder were completely swept away. At least seven people were injured here, many found in ditches across the street. East of Charlottesville along US 40, a two-story brick home was leveled with only the entry steps left behind.[122] Heading toward Knightstown, it abruptly turned more to the north and bypassed the town to the west resulting in damage to only a few homes. As it continued across southwestern Henry County, it struck a truck stop near I-70 and IN 109 before traversing rural farmland.[123] Two vehicles, one being a semi-trailer, were thrown from I-70.[124] Farmsteads were entirely leveled and trees were uprooted.[123] Damage across Rush County was estimated at $5 million.[121] It then moved directly through Grant City in Henry County, destroying 11 of the town's 25 homes and damaging the rest. Four people were injured in the community.[125][122] After crossing more farmland, newspaper reports indicate the tornado lifted as it approached Kennard, only to touch back down on the west side of town.[123] Kennard suffered extensive damage with 70 percent of the town damaged or destroyed; much of the northern portion of town was severely damaged. Homes in the town were leveled, with 48 destroyed overall, and the upper half of a two-story brick elementary school was swept away.[125][123] A pregnant woman was injured and subsequently had a premature birth; the infant did not survive. Seventeen people were injured.[32][17] Northeast of Kennard, more farms were damaged. Between Mount Summit and Mooreland, the ceiling of a high school collapsed.[123] The tornado dissipated at 3:20 p.m. CDT after traveling 20 mi (32 km). It was rated F4 at its peak.[48]

The final tornado originated near US 35 around 3:35 p.m. CDT and traveled north-northeast.[48][50][17] Between Parker City and Farmland along SR 32, the tornado reached a width of 1 mi (1.6 km) and featured four vortices circulating around each other.[50][118] Based on video evidence, Grazulis approximated the tornado may have had winds of 210 mph (340 km/h) aloft within one of the vortices. This was based on the forward speed of the tornado, the velocities of the smaller vortices rotating around the mean center of the tornado, their velocity rotating around each other.[126] In this area the Monroe Central Junior-Senior High School (a large, steel-reinforced building) was mostly destroyed.[50] The Muncie Star stated "a greater tragedy was avoided" as hundreds of students were dismissed to go home just 20 minutes before the tornado struck. Only the principal and several teachers remained, taking refuge in the boiler room. All east-facing walls and large portions of the roof of the school collapsed. Nine cars were thrown into the building from the parking lot. Damage to the school alone was estimated at $3–7 million. On the other side of SR 32, 5 homes were destroyed and 14 others were damaged.[127] One person was killed here. Throughout the path, wide swaths of trees were stripped of their branches and debarked.[128] The tornado dissipated at 3:58 p.m. CDT after traveling 22 mi (35 km); it was rated F4 at its peak.[48]

Collectively, the tornadoes killed 2 people, injured 54, and inflicted well over $10 million in damage.[129][130] The Carthage Volunteer Fire Department set up clothing donations for victims in Charlottesville and the Red Cross provided food.[131] In the immediate aftermath, emergency responders in Kennard were unable to coordinate due to the lack of a command center. Looting was reported before county police arrived.[132] An estimated 300 sightseers clogged roadways into the community. Fifty-eight members of the Nation Guard arrived in Kennard for search and rescue and clean up. The Red Cross assisted residents with applying for relief aid, with 20 volunteers arriving within a day of the tornado.[133] Displaced persons were sheltered at a community center and elementary school in Greensboro.[132]

Xenia, Ohio

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Xenia, Ohio
F5 tornado
 
The tornado as it moved through Xenia
Duration3:32 p.m. – 4:09 p.m. April 3 (UTC−05:00)
Max. rating1F5 tornado
Fatalities34 fatalities, 1,150 injuries
Damage$100 million (1974 USD)
1Most severe tornado damage; see Fujita scale

This violent tornado originated southwest of Xenia and initially formed as two small funnels, one only 33 ft (10 m) in diameter, rotating rapidly around each other at an estimated 210 mph (340 km/h). These multiple vortices persisted throughout the tornado's duration.[134] As the overall circulation grew to at least 1 mi (1.6 km) in diameter,[42] it moved directly through Xenia. Photographic evidence showed that the condensation funnel never reached the ground during this time. However, violent sub-vortices on the right side of the tornado caused swaths of F5 damage to many homes. These vortices were estimated to be only 66 ft (20 m) wide. Large debris was estimated to be hurled through the air at 161 mph (259 km/h) at a height of 390 ft (120 m).[134] Total devastation occurred in much of Xenia. About half of the city of 25,000 people was damaged or destroyed; 300 homes were destroyed and 2,100 were damaged, some of which were newly constructed.[32] Total damage reached $100 million (normalized to $491 million in 2001).[135][nb 7] Northeast of Xenia, Wilberforce University (formerly part of Central State University) suffered $7.5 million in damage.[32] In his operational assessment, Fujita assigned a F6 rating to this tornado indicating "inconceivable damage";[136][137] this was later reconciled to F5 when the scale was formalized.[42] Grazulis described it as the most publicized tornado of the outbreak and "most well-studied tornado in history, from a wind-engineering perspective."[32]

Hardest-hit was the recently built Arrowhead subdivision which was nearly leveled. Freight cars from a Penn Central train were lofted onto a supermarket and a parking lot. A tractor-trailer was hurled 100 yd (91 m) onto the roof of a bowling alley. Six of the city's twelve schools were damaged or destroyed.[138]

Bank checks from Xenia were found up to 200 mi (320 km) away in Chagrin Falls.[139]

About 1,500 National Guard troops were deployed to Xenia. Natural gas service was shut off due to the risk of explosions. At the time of the tornado, the city did not have a formal disaster plan in place. Only a partial one was in the works.[138]

Hanover–Madison, Indiana

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Hanover–Madison, Indiana
F4 tornado
File:Madison 1974.jpg
Photograph of the tornado as it approached Madison
Duration3:19 p.m. – 4:06 p.m. April 3 (UTC−05:00)
Max. rating1F4 tornado
Fatalities11 deaths, 190 injuries
Damage$35 million (1974 USD)
1Most severe tornado damage; see Fujita scale

As the F5 Depauw tornado weakened, the same supercell spawned a second tornado to the east at 3:19 p.m. just northeast of Henryville in Clark County. It moved generally east-northeast and entered Scott County, killing one person there.[32] As the tornado approached Chelsea, it grew to an estimated 0.75 to 1 mi (1.21 to 1.61 km) wide and swept away many homes.[105] Doctors at the Madison State Hospital observed two funnels merge together as the tornado struck Hanover.[140] Hanover College was largely destroyed; a few students were injured and damage to the college alone reached $10 million.[32] At a housing development in Havover, 71 of the community's 75 homes were leveled with a state trooper likening the destruction to an "[atomic] bomb testing ground".[141]

The tornado reached its peak strength as it struck Madison where large, expensive homes were completely destroyed. Roughly 300 homes were destroyed in northern Madison and seven people were killed.[32][29] The six-story Indiana-Kentucky Electric Company Clifty Creek Power Plant was almost completely leveled north of Madison, with only three smokestacks left standing amid a two-story pile of debris. A large swath of trees were "snapped and crushed" nearby the plant.[105] The Madison State Hospital suffered $600,000 in damage, with one patient and several maintenance buildings were destroyed.[140] Three people were killed near China.[32][29]

A total of 11 people were killed, 190 others were injured, and damage reached $35 million.[125][142] Doctors from the damaged Madison State Hospital were sent to Hanover to assist victims; 30 people were rescued from basements. The hospital provided shelter for 29 residents.[140]

Brandenburg, Kentucky

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Brandenburg, Kentucky
F5 tornado
 
A home completely swept away from its foundation near Brandenburg
Duration3:30 p.m. – 4:22 p.m. April 3 (UTC−05:00)
Max. rating1F5 tornado
Fatalities31 fatalities, 270 injuries
Damage$15 million (1974 USD)
1Most severe tornado damage; see Fujita scale

The tornado struck northwestern areas of Hardinsburg at F3 intensity, destroying several homes. Moving northeast across Breckenridge County, the tornado destroyed 35 homes and injured 13 people. The tornado grew and strengthened as it moved into the town of Brandenburg (pop. 1,700).[32][143] A tornado warning was issued for Brandenburg about 15 minutes before it struck; however, residents did not pay attention to it.[143] No photographs of the tornado are known to exist, though it is believed to have been a large wedge-shaped tornado.[74] Tremendous damage occurred in the town with 128 homes totally destroyed, many of which were completely swept away.[32] The town's business district was entirely destroyed.[16]: 6–7 [32] Several children were killed in a ditch when the school bus they were in rolled on top of them. Two people were sitting on their couch when the tornado tore their home apart; the couch was the only piece of furniture not blown away.[143] In Meade County, 31 people were killed and 257 were injured; twenty-eight deaths were in Brandenburg alone.[16]: 6–7 [32] F4 damage occured in areas north of Irvington and across the Ohio River into Harrison County, Indiana. Approximately 270 people were injured.[32][29] Initial assessments placed damage at $25 million;[143] however a 2001 paper stated damage to be $15 million.[142]

The United States Army deployed two refrigerator trucks two transport dead bodies.[143]

Sayler Park, Ohio

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Sayler Park, Ohio
F5 tornado
 
The tornado viewed from Bridgetown, Ohio
Duration5:28 p.m. – 5:51 p.m. April 3 (UTC−04:00)
Max. rating1F5 tornado
Fatalities2 fatalities, 210 injuries
Damage>$10 million (1974 USD)
1Most severe tornado damage; see Fujita scale

As the Bear Branch, Indiana, tornado dissipated, the same supercell produced another tornado at 5:28 p.m. EDT about 2 mi (3.2 km) north of Rising Sun, Ohio County, Indiana.[70][47] This new tornado tracked northeast, crossing the Ohio River and entering Kentucky just north of Belleview in Boone County. Damage in the area was limited to snapped tree tops as the tornado intermittently touched down before remaining continuous near KY 18. It heavily damaged a barn and outbuilding as it moved up a hill and subsequently along its ridge.[39] About ten barns were damaged in the area.[144] Moving parallel to KY 18, the tornado damaged several structures and flattened trees. West-southwest of Burlington, barns were completely destroyed. Two funnels were observed in this area, with the smaller one quickly merging back into the main funnel. The tornado then lifted and relocated to the north, touching back down southwest of Bullittsville. A "solid path of destruction" spanned 200 yd (180 m) as the tornado moved north-northeast. A 1,500 lb (680 kg) truck was hurled; its trailer was crumpled In Bullitsville, several homes and a grocery store were leveled. Two brick homes were largely destroyed north of I-275, with only partial walls remaining.[39] One home was swept off its slab foundation.[145] Twin damage paths were documented 0.5 to 0.75 mi (0.80 to 1.21 km) apart, with the smaller one to the southeast.[39] The total swath of damage was roughly 1.5 mi (2.4 km) across.[146] Approaching KY 8, the paths of the two tornadoes diverged. The smaller tornado snapped trees and damaged homes as it moved east before crossing the Ohio River. The larger tornado destroyed a marina—186 boats were destroyed[147]—shifted a home off its foundation, and lofted another home into the Ohio River before crossing the river itself.[39] Damage to the marina alone reached $6 million. A boat restaurant was lofted into the river where it subsequently sank.[144] Throughout Boone County, it damaged or destroyed 75 homes and 100 barns and injured 20 people.[47] Eighty people were left homeless and property damage reached $4 million.[148]

Both tornadoes struck the Sayler Park neighborhood of Cincinnati around 5:45 p.m.,[47][39] with the smaller damaging trees along US 50 about 0.25 mi (0.40 km) east of the main tornado before dissipating. The larger tornado moved north, paralleling the river through Sayler Park. It grew to a maximum width of 880 to 1,320 yd (800 to 1,210 m) with the greatest damage occurring within a swath 300 yd (270 m) wide. Damage in Saylor Park and in areas southwest of Mack was "indescribable".[39] Homes were completely swept from their foundations, leaving behind concrete slabs. Lesser, albeit significant, damage continued as the tornado moved northeast. Two people were killed when they were thrown into a tree.[16]: 8, 14  The tornado dissipated around 5:51 p.m. to the north of Dent.[70][47] Of the 508 homes in Sayler Park, 375 were damaged or destroyed.[149] About 190 people were injured.[16]: 8, 14 

Twelve National Guardsmen, ten members of the Kentucky Department of Forestry, and six Bureau of Alcohol, Tobacco, and Firearms personnel were dispatched to Boone County. Cadaver dogs were sent to Bullittsville and Taylorsville.[144] The Cincinnati fire chief sounded a five-alarm fire in Sayler Park immediately after the tornado, prompting the dispatch of 75 firefighters from 20 companies for immediate relief.[150] A two-night curfew was put in place for Hamilton County. The Cincinnati Bar Association assisted residents with repair plans and avoiding scams. The Red Cross opened two shelters and the Salvation Army provided meals. Cincinnati provided lumber and paper.[147] Few residents utilized public shelters, with 50 homes deemed uninhabitable being lived in by April 7.[149]

Louisville, Kentucky

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Louisville, Kentucky
F4 tornado
 
Damage in the Northfield neighborhood of Louisville
Duration4:37 p.m. – 4:59 p.m. April 3 (UTC−05:00)
Max. rating1F4 tornado
Fatalities2 fatalities, 228 injuries
1Most severe tornado damage; see Fujita scale

Approximately 900 homes were destroyed in Louisville.[151]: 9 

Tornado sirens were activated in Louisville 19 minutes before the tornado struck. This is credited as the primary reason the death toll in the city was limited to two people.[151]: 9–10 

Monticello–Rochester, Indiana

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Monticello–Rochester, Indiana
F4 tornado
 
A view of the destroyed Presbyterian Church in Monticello.
Duration4:47 p.m. – 6:47 p.m. April 3 (UTC−05:00)
Max. rating1F4 tornado
Fatalities18 fatalities, 362 injuries
Damage$50 million (1974 USD)
1Most severe tornado damage; see Fujita scale

This was the longest-tracked and lived tornado of the outbreak, traveling approximately 121 mi (195 km) over the span of two hours.[48][54] However, this path may have been comprised of three separate tornadoes.[54] The tornado initially touched down 2 mi (3.2 km) west of Otterbein and quickly became violent. Two people were killed north of the town when their home was leveled. It soon weakened and caused minor damage in Tippecanoe and southwestern White counties. It re-intensified as moved directly into Monticello. Ample warning allowed residents to seek shelter, limiting the fatalities to only two. The tornado reached its maximum intensity to the northeast of town where farms were leveled. It weakened again as it moved across Pulaski County. It once again regained strength in Fulton County, killing one person on SR 14 before striking Rochester. Two people were killed in a mobile home. Damage in the city reached $10 million. It briefly crossed through the southeastern corner of Marshall County and then entered Kosciusko County. A Mexican national was killed in Atwood. F3 damage occurred in the southern portion of Leesburg. One person was killed near SR 6 in Elkhart County. North of Ligonier, Noble County, a school was destroyed. The last fatality occurred near Topeka in LaGrange County. The tornado dissipated at 6:47 p.m. near Oliver Lake airport.[54]

A bus carrying six people was thrown off a bridge into the Tippecanoe River. Five of the occupants died while the sixth swam to shore.[54][152]

The five-block downtown area of Monticello was largely wiped out. The Bryan Manufacturing plant was destroyed, leaving one employee dead and nearly all 140 people working at the time injured.[153] A 250 ft (76 m) microwave transmission tower collapsed.[154]

Initial estimates placed damage at $100 million.[155] However, in a 2001 paper damage was stated to be $50 million (normalized to $163 million in 2001).[135][nb 7]

Mount Hope–Harvest, Alabama

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Mount Hope–Harvest, Alabama
F5 tornado
Duration6:20 p.m. – 7:21 p.m. April 3 (UTC−05:00)
Max. rating1F5 tornado
Fatalities28 fatalities, 267–280 injuries
1Most severe tornado damage; see Fujita scale

This tornado touched down around 6:20 p.m. CDT in Lawrence County and entered Limestone County at 7:05 p.m. CDT.[80][156] Along US 31, the Lawson's Trailer Court with 215 mobile homes was severely impacted by both tornadoes.[157]

Six people from one family were killed when their trailer was obliterated near Mt. Moriah community northwest of Moulton. Their bodies were found scattered 1 mi (1.6 km) away.[157] Four people from another family were killed when their home was destroyed.[60] A total of 28 people were killed and 267–280 others were injured.[60][79]

This tornado was soon followed by another violent tornado 30 minutes later which tore through areas from 2 mi (3.2 km) to only a block to the north of the first.[156] The two tornadoes left the entirety of Lawrence County without power.[157]

Jasper–Cullman, Alabama

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Jasper, Alabama
F4 tornado
Duration6:44 p.m. – 8:48 p.m. April 3 (UTC−05:00)
Max. rating1F4 tornado
Fatalities3 fatalities, 178 injuries
1Most severe tornado damage; see Fujita scale

Sixty troops of the 131st Signal battalion's B. Company were deployed to Jasper and the Red Cross established a shelter at a local elementary school.[158]

About 90 people were injured in rural areas of Walker County.[158]

The administration building of the Bevill State Community College campus in Jasper (Walker College) had a part of its roof torn off and the campus lost 75 percent of its trees.[159]

The tornado struck Jasper around 7:58 p.m. CDT, based on clocks stopping.[158]

Tanner–Harvest, Alabama – Flintville, Tennessee

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Tanner–Harvest, Alabama – Flintville, Tennessee
F5 tornado
Duration7:30 p.m. – 8:25 p.m. April 3 (UTC−05:00)
Max. rating1F5 tornado
Fatalities22–27 fatalities, 250–270 injuries
1Most severe tornado damage; see Fujita scale

The tornado entered Limestone County at 7:35 p.m. CDT, almost exactly where the F5 Mount Hope–Harvest tornado struck 30 minutes earlier.[156]

The maximum rating of this tornado is disputed.[16]: 17, 22  Fujita and Grazulis list this as a F4 tornado while 2013 publication by NOAA lists it as a F5.[160][161] This tornado touched down only 0.5 mi (0.80 km) north of where the 23:50 UTC Mount Hope–Harvest F5 tornado tracked just 30 minutes prior.[45][60][61][79]

Windsor, Ontario

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Windsor, Ontario
F2 tornado
Duration8:09 p.m. – 8:16 p.m. April 3 (UTC−04:00)
Max. rating1F2 tornado
Fatalities9–10 fatalities, 10–25 injuries
DamageC$1 million (1974 CAD)
1Most severe tornado damage; see Fujita scale

The Storm Data publication indicates this was the same tornado that struck Berlin Township, Michigan, 48 minutes earlier.[16]: 9 [99] Fujita analyzes this tornado originating as a funnel cloud that moved northeast from Flat Rock, across the Detroit River and Grosse Ile, before entering Ontario, Canada.[15] It touched down in Windsor around 8:09 p.m. EDT (±7 minutes, UTC−04:00) and moved along a skipping path.[16]: 9  The tornado struck the Windsor Curling Club, a steel frame and concrete structure, around 8:13 p.m. during a match with 48 players and an estimated 30 spectators in the building.[162][163] A portion of the building's roof and one of its walls collapsed, crushing multiple people. Nine people were killed—seven died instantly from traumatic brain injuries,[164] one died two hours later, and the ninth died on January 15, 1975[165]—eleven required hospitalization, and another 14 were reportedly injured.[77][162] This marked it as Canada's sixth-deadliest tornado.[166] One of the injured persons died three years later, with his wife asserting it was related to the tornado.[167] Another club across the street was undamaged.[162] A 30 ton crane was shifted 6 ft (1.8 m) at the Devonshire Mall.[168][169] Two businesses suffered extensive damage and at least one home had its roof torn off. Damage from the tornado amounted to C$1 million.[163][170] Turning north, it crossed the Detroit river again and briefly impacted the Grosse Point suburb in Metro Detroit before dissipating around 8:16 p.m. EDT.[16]: 9 [48]

In the storm's wake, all police officers in Windsor were called in. Eighteen ambulances were dispatched to the curling club, including two from 55 mi (89 km) away.[162] Torrential rains continued after the tornado, including 0.5 in (1.3 cm) in a 15-minute span around 9:00 p.m. EDT, and ultimately totaled 7.5 in (19 cm).[171] On May 28, The Canadian Press reported that the Atmospheric Enviornment Service (AES, later called Meteorological Service of Canada) of Environment Canada failed to issue timely warnings for Windsor despite information being readily provided by the NWS office in Detroit, Michigan. The NWS office issued a tornado warning at 7:40 p.m. EDT for Metro Detroit and relayed the information to Toronto. This warning was not disseminated to Windsor until 8:10 p.m. EDT, by which time the tornado was on the ground.[172] R.C. Graham, director of the AES, stated that there is no direct line of communication between the two offices. Plans were put in place for the NWS and AES to meet and work on facilitating better communication.[173] This spurred the establishment of a telephone line to fax radar images.[174]

On April 5, the city's coroner confirmed an inquest on the disaster would be conducted. At the time of the tornado, national building codes in Canada required buildings be constructed to withstand 80 to 90 mph (130 to 140 km/h) winds but not specifically from tornadoes.[168] The trial proceeded in July, with an engineer from the Ministry of Labor's Industrial Safety Branch testifying. Based on his calculations, the building was structurally deficient and only one-thirteenth as sturdy as building codes dictated.[175] The jury recommended that buildings with long concrete walls have steel beams reinforced into them to strengthen the spans. They further advised that buildings with large gathering be inspected regularly.[164] The building required a C$250,000 reconstruction plan and reopened several months later.[163][165]

The damage rating of this tornado is uncertain, with sources ranging from F1 to F3. In 2021, the University of Western Ontario's Northern Tornadoes Project assigned a F1 rating based on the limited scope of damage and the most severely impacted building being of inadequate construction.[176] Fujita and Grazulis list this as a F2 tornado,[71][15] and a publication through the Windsor Public Library and the CBC report it as F3.[166][177] Its maximum width ranged from 220–330 yd (200–300 m) and the path length ranged from 6 mi (9.7 km) to 14 mi (22 km), with the latter being the most contemporary.[71][15][169] Additionally, the meteorologist in charge of the Windsor office asserted that no tornado took place at all and the disaster was instead the result of thunderstorm winds.[175]

Guin, Alabama

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Guin, Alabama
F5 tornado
Duration8:50 p.m. – 10:57 p.m. April 3 (UTC−05:00)
Max. rating1F5 tornado
Fatalities28–30 fatalities, 272–280 injuries
Damage$15–30 million (1974 USD)
1Most severe tornado damage; see Fujita scale

This violent tornado was first observed as a funnel cloud near Starkville, Mississippi, in Oktibbeha County at 7:55 p.m. CDT.[16]: 10  The exact point at which it touched down is uncertain, with Fujita's initial analysis indicating it reaching the ground by the Mississippi-Alabama state line at 8:25 p.m. CDT well to the north-northeast of Columbus.[15][80] Contemporary analyses from the National Weather Service indicate the tornado did not touch down until 8:50 p.m. CDT about 6 mi (9.7 km) north of Vernon. From Vernon, it moved on a continuous 79.5 mi (127.9 km) path to the northeast at 55 to 75 mph (89 to 121 km/h), causing catastrophic damage in Guin at 9:02–9:04 p.m. CDT and later Delmar.[16]: 22 [79][156] It lifted around 10:57 p.m. CDT as it approached the Tennessee River in Morgan County, Alabama.[80] A second tornado formed soon after to the east, severely impacting parts of Huntsville. Fujita's analysis indicates it continued aloft thereafter and briefly touched back down in Huntsville before lifting again.[15] It persisted for a short while and dissipated entirely over the Flint River.[15] The total path length ranges from 79.5 mi (127.9 km) to 135 mi (217 km), with Fujita analyzing it to be on the ground for 102 mi (164 km).[16]: 22 [80][79]

Almost the entirety of Guin (pop. ~2,000) was leveled, with approximately 400 homes destroyed several of which were completely swept away. Only 34 of the town's homes were "salvageable".[178] Damage spanned about 0.5 mi (0.80 km) across.[158] A total of 23 people died and 250 people were injured in Guin.[156] The majority of the fatalities occurred in a densely populated area in southeastern Guin.[158] Due to the volume of injuries, some victims were transported to hospitals in Tupelo, Mississippi. Damage to businesses alone in Guin reached $3 million.[178]

Oak trees were completely stripped of the bark and branches, leaving behind only denuded trunks.[178]

Five people were killed in Delmar.[156]

An apartment complex in Decatur had a dozen units torn open and many windows shattered.[179]

Fujita and Grazulis list 30 fatalities and 280 injuries,[80][69] while the NWS Office in Huntsville, Alabama, lists 28 fatalities and 272 injuries.[79]

The Red Cross opened a shelter at the Guin National Guard Armory and a local high school.[178]

[180]

Huntsville, Alabama

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Huntsville, Alabama
F3 tornado
 
Damage at the intersection of Drake Avenue and Memorial Parkway in Huntsville.
Duration10:29 p.m. – 11:27 p.m. April 3 (UTC−05:00)
Max. rating1F3 tornado
Fatalities0–2 fatalities, 7–50 injuries
1Most severe tornado damage; see Fujita scale

An unusual amount of lightning accompanied this tornado as it moved into Huntsville. Scientists at NASA's Marshall Space Flight Center reported near-continuous flashes, with individual flashes or bolts being brighter and longer-lasting than typically expected.[181] Orange or red lightning occurred above the thunderstorm anvils,[182] what would eventually be known as sprite lighning.[183] There was one potential instance of ball lightning.[184] This tornado formed near Decatur shortly after the F5 Guin, Alabama, tornado dissipated in the same area. It was originally considered to be an extension of that tornado's path.[16]: 22 [185][61]

Thirty buildings at the Redstone Arsenal were damaged or destroyed. Approximately 90 percent of Huntsville lost power and many lost water.[157]

Fujita and Grazulis list no fatalities and 50 injuries,[80][71] while the NWS Office in Huntsville, Alabama, lists 2 fatalities and 7 injuries.[79]

Notes

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  1. ^ a b All dates are based Central Standard Time as listed by the National Centers for Environmental Information; however, all times are in Coordinated Universal Time for consistency.
  2. ^ The Fujita Scale (F-scale) was used to rate tornado damage from its introduction in the late-1970s through February 1, 2007, when it was succeeded by the Enhanced Fujita Scale (EF-scale). Tornado ratings were retroactively applied to events prior to the formal adoption of the F-scale by the National Weather Service.[12]
  3. ^ The National Oceanic and Atmospheric Administration's Storm Data publication does not list exact damage totals for every event, instead giving damage categories. As such, damage for individual tornadoes is not comprehensive.
  4. ^ All starting coordinates are based on the NCEI database and may not reflect contemporary analyses
  5. ^ Durations are based on Abbey and Fujita (1981) unless noted otherwise. Letters indicate confidence intervals in the time: A is ±3 minutes; B is ±7 minutes; C is ±15 minutes; D is ±30 minutes; E is ±60 minutes; R is derived from radar.[13]
  6. ^ The listed width values are primarily the average/mean width of the tornadoes, with those having known maximum widths denoted by ♯. From 1952 to 1994, reports largely list mean width whereas contemporary years list maximum width.[14]
  7. ^ a b A normalization estimates direct economic losses from a historical extreme event if that same event was to occur under contemporary societal conditions.

References

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  1. ^ Corfidi, Stephen F.; Levit, Jason J.; Weiss, Steven J. (October 5, 2004). The Super Outbreak: Outbreak of the Century (PDF). 22nd Conference on Severe Local Storms. Storm Prediction Center. Retrieved April 9, 2023.
  2. ^ a b Corfidi et al. 2010, p. 465.
  3. ^ a b c The Widespread Tornado Outbreak of April 3–4, 1974: A Report to the Administrator (PDF) (Report). National Disaster Survey Report. National Oceanic and Atmospheric Administration. December 1974. Retrieved April 10, 2023.
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  169. ^ a b Northern Tornadoes Project [@westernuNTP] (April 3, 2021). "The 1974 #Windsor tornado had a track in Canada over 22 km, though funnel clouds were spotted at Flat Rock and Grosse Ile, MI to the SW and Grosse Point, MI to the NE. A 30-ton crane was moved 6 ft at Devonshire Mall before the tornado hit the curling arena just after 8 pm. 2/5" (Tweet). Retrieved April 17, 2023 – via Twitter.
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Sources

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