Wikipedia

Timeline of the 2017 Pacific hurricane season

The 2017 Pacific hurricane season was an event in the annual cycle of tropical cyclone formation, in which tropical cyclones form in the eastern Pacific Ocean. The season officially started on May 15 in the eastern Pacific—east of 140°W—and on June 1 in the central Pacific—between the International Date Line and 140°W—and ended on November 30. These dates typically cover the period of each year when most tropical cyclones form in the eastern Pacific basin.[1] However, storm formation is possible at any time of the year, as illustrated in 2017 by the formation of the season's first named storm, Tropical Storm Adrian, on May 10. At the time, this was the earliest formation of a tropical storm on record in the basin.[2]

Timeline of the
2017 Pacific hurricane season
Season summary map
Season boundaries
First system formedMay 9, 2017
Last system dissipatedOctober 28, 2017
Strongest system
NameFernanda
Maximum winds145 mph (230 km/h)
(1-minute sustained)
Lowest pressure948 mbar (hPa; 27.99 inHg)
Longest lasting system
NameFernanda, Hilary and Irwin
Duration10.50 days
Storm articles
Other years
2015, 2016, 2017, 2018, 2019

Four time zones are utilized in the basin: Central for storms east of 106°W, Mountain between 114.9°W and 106°W, Pacific between 140°W and 115°W,[3] and Hawaii–Aleutian for storms between the International Date Line and 140°W. However, for convenience, all information is listed by Coordinated Universal Time (UTC) first with the respective local time included in parentheses. This timeline includes information that was not operationally released, meaning that data from post-storm reviews by the National Hurricane Center is included. This timeline documents tropical cyclone formations, strengthening, weakening, landfalls, extratropical transitions, and dissipations during the season.

Timeline

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Tropical Storm Selma (2017)Hurricane Max (2017)Tropical Storm Lidia (2017)Tropical Storm Beatriz (2017)Saffir–Simpson scale

May

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May 9

 
Adrian shortly before being classified as a tropical depression on May 9

May 10

May 11

May 15

  • The 2017 Eastern Pacific hurricane season officially begins.[1]

May 31

June

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June 1

 
Beatriz as a weak tropical storm shortly before landfall

June 2

June 11

June 12

 
Storm path of Tropical Storm Calvin

June 13

 
Dora near its peak intensity as a Category 1 hurricane on June 26

June 24

June 25

June 26

June 27

June 28

July

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July 7

 
Eugene as the season's first major hurricane on July 9

July 9

July 10

July 11

July 12

 
Category 4 Hurricane Fernanda shortly after attaining its peak intensity on July 15

July 13

July 14

July 15

  • 00:00 UTC (5:00 p.m. PDT July 14) at 10°42′N 120°18′W / 10.7°N 120.3°W / 10.7; -120.3 – Hurricane Fernanda intensifies into a Category 4 hurricane and simultaneously reaches its peak intensity of 145 mph (230 km/h) and a minimum barometric pressure of 948 mbar (hPa; 27.99 inHg), the second strongest hurricane so far south in the eastern Pacific, about 1,060 miles (1,710 km) southwest of the southern tip of the Baja California Peninsula.[8][9]
 
Greg as a weak tropical storm on July 18

July 17

July 18

July 19

July 20

July 21

July 22

July 23

July 24

July 25

 
Hurricanes Hilary and Irwin undergoing Fujiwhara interaction on July 28

July 26

July 27

July 28

July 31

August

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August 1

August 4

August 5

August 11

 
Tropical Storm Jova off the coast of Mexico on August 11

August 12

August 13

August 18

August 19

August 20

August 21

 
Hurricane Kenneth near its peak intensity on August 21

August 22

August 23

August 30

September

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September 1

September 2

September 3

September 11

September 13

September 16

September 17

September 18

November

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November 30

  • The 2017 Pacific hurricane season officially ends.[1]

See also

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References

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  1. ^ a b c d Christopher W. Landsea; Neal Dorst; Erica Rule (June 2, 2011). "G: Tropical Cyclone Climatology". Hurricane Research Division: Frequently Asked Questions. National Oceanic and Atmospheric Administration. G1) When is hurricane season ?. Retrieved April 21, 2017. {{cite book}}: |work= ignored (help)
  2. ^ a b c d e Michael J. Brennan (November 22, 2017). Tropical Storm Adrian (PDF) (Report). National Hurricane Center. Retrieved September 1, 2018.
  3. ^ Robbie J. Berg (May 28, 2015). Tropical Depression One-E Discussion Number 1 (Report). Miami, Florida: National Hurricane Center. Retrieved June 17, 2017.
  4. ^ a b c d e Daniel P. Brown (July 13, 2017). Tropical Storm Beatriz (PDF) (Report). National Hurricane Center. Retrieved September 1, 2018.
  5. ^ a b c d John P. Cangialosi (June 19, 2018). Tropical Storm Calvin (PDF) (Report). National Hurricane Center. Retrieved September 1, 2018.
  6. ^ a b c d e f g h Robbie J. Berg (November 20, 2017). Hurricane Dora (PDF) (Report). National Hurricane Center. Retrieved September 1, 2018.
  7. ^ a b c d e f g h i j Avila, Lixion A.; Landsea, Christopher W. (October 20, 2017). Hurricane Eugene (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved February 24, 2021.
  8. ^ a b c d e f g h i j k Brennan, Michael J.; Powell, Jeff (February 28, 2019). Hurricane Fernanda (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved February 24, 2021.
  9. ^ NHC E. Pacific Ops (July 14, 2017). "Fernanda is now a category 4 hurricane- the 2nd strongest storm so far south in the eastern Pacific..." Twitter. Retrieved July 15, 2017.
  10. ^ a b c Beven II, John L. (March 21, 2018). Tropical Depression Eight-E (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved February 27, 2021.
  11. ^ a b c d e Pasch, Richard J.; Zelinsky, David A.; Jeselma, Jon (March 16, 2018). Tropical Storm Greg (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved February 24, 2021.
  12. ^ a b c d e f g h Stewart, Stacy R. (January 21, 2018). Hurricane Hilary (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved March 5, 2021.
  13. ^ a b c d e Zelinsky, David A. (January 12, 2018). Hurricane Irwin (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved March 6, 2021.
  14. ^ "IBTrACS – International Best Track Archive for Climate Stewardship". www.atms.unca.edu. Retrieved 2021-02-27.
  15. ^ a b c Brown, Daniel P. (November 21, 2017). Tropical Depression Eleven-E (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved March 6, 2021.
  16. ^ a b c d Cangialosi, John P. (November 16, 2017). Tropical Storm Jova (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved March 7, 2021.
  17. ^ a b c d e f g h i j Berg, Robbie (January 28, 2018). Hurricane Kenneth (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved March 10, 2021.
  18. ^ a b c d e f Avila, Lixion A. (December 20, 2017). Tropical Storm Lidia (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved March 16, 2021.
  19. ^ a b c d e f g h i Blake, Eric S. (January 9, 2018). Hurricane Otis (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved March 20, 2021.
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