Wikipedia

Draft:Tropical Storm Kong-rey (2024)

Tropical Storm Kong-rey (Leon)
Kong-rey on October 25
Meteorological history
FormedOctober 24, 2024
Tropical storm
10-minute sustained (JMA)
Highest winds85 km/h (50 mph)
Highest gusts120 km/h (75 mph)
Lowest pressure985 hPa (mbar); 29.09 inHg
Tropical storm
1-minute sustained (SSHWS/JTWC)
Highest winds95 km/h (60 mph)
Lowest pressure990 hPa (mbar); 29.23 inHg
Overall effects
Part of the 2024 Pacific typhoon season

Tropical Storm Kong-rey, also known in the Philippines as Tropical Storm Leon, is an active tropical cyclone in the Western Pacific Ocean. The twenty-first named storm of the 2024 Pacific typhoon season, Kong-rey formed from an area of disturbance located southeast of Guam on October 24.

Meteorological history

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Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
  Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression
 
A JTWC warning for Tropical Storm Kong-rey.

On October 22, a low-pressure area was formed southeast of Guam. Two days later, the JMA issued warnings as the disturbance became a tropical depression because of a marginal environment characterized by low wind shear, moderate equatorward outflow, and warm sea surface temperatures.[1] However, limited firmness of the storm's structure prevented it from growing.[2] At 03:00 UTC, the Joint Typhoon Warning Center (JTWC) issued a Tropical Cyclone Formation Alert (TCFA) for the system, with a weakly defined low-level circulation center but strong winds now wrapping the center.[3] Following this, the JTWC designated another area of convection as Invest 99W north of the system, with a low chance of forming. Early the next day, the storm grew over the past hours,[4] the Japan Meteorological Agency (JMA) also upgraded the depression to a tropical storm, gaining the name Kong-rey.[5]

The JTWC canceled the TCFA for the southern system but started to issue warnings for the northern system as a depression and designated it as 23W. The system had a partially obscured low-level circulation center (LLCC) with a single band of convection.[6] On 12:00 UTC the same day, dry air caused the storm to maintain its' intensity.[7] At 07:30 PM PHT (11:30 UTC) on October 26, Kong-rey entered the Philippine Area of Responsibility and was assigned the name Leon by PAGASA.[8] On 9:30 UTC the next day, the JTWC found two LLCCs inside the storm.[9] After a day of maintaining its' intensity,[10] the storm finally underwent intensification.[11] On October 28, the storm officially became a severe tropical storm by PAGASA.[12][13] The storm is expected to undergo rapid intensification by PAGASA.[14]

 
Satellite loop of Kong-rey organizing

Preparations and impact

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Philippines

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The storm is currently unlikely to affect weather conditions in the Philippines, though rainfall is possible.[15][16] According to Meralco communication head Joe Zaldarriaga, Meralco is preparing for the storm.[17] The storm is expected to affect northern Luzon.[18] The government of Albay also prepared for the possible impact of Kong-rey.[19] On 23:00 Philippine Time (15:00 UTC), PAGASA issued Tropical Storm Warning Signal No. 1 to portions of Cagayan, Isabela, and Catanduanes.[20] The next day, PAGASA included the entirety of Batanes, Ilocos Norte, Abra, Apayao, and Kalinga. PAGASA also included the entirety of Cagayan and Isabela, with portions of Quirino and Aurora.[13]

Taiwan

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Kong-rey is expected to hit Taiwan.[21]

References

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  1. ^ "RSMC Tropical Cyclone Prognostic Reasoning". Japan Meteorological Agency. 2024-10-24. Retrieved 2024-10-27.
  2. ^ "RSMC Tropical Cyclone Prognostic Reasoning". Japan Meteorological Agency. 2024-10-24. Retrieved 2024-10-27.
  3. ^ "Tropical Cyclone Formation Alert (Invest 98W)". Joint Typhoon Warning Center. 2024-10-24. Retrieved 2024-10-27.
  4. ^ "RSMC Tropical Cyclone Prognostic Reasoning". Japan Meteorological Agency. 2024-10-25. Retrieved 2024-10-27.
  5. ^ "RSMC Tropical Cyclone Prognostic Reasoning". Japan Meteorological Agency. 2024-10-25. Retrieved 2024-10-27.
  6. ^ "Prognostic Reasoning for Tropical Depression 23W (Kong-rey)". Joint Typhoon Warning Center. 2024-10-25. Retrieved 2024-10-27.
  7. ^ "RSMC Tropical Cyclone Prognostic Reasoning". Japan Meteorological Agency. 2024-10-25. Retrieved 2024-10-27.
  8. ^ "Severe Weather Bulletin #1 for Tropical Storm 'Leon' (Kong-rey)" (PDF). PAGASA. 26 October 2024. Retrieved 26 October 2024.
  9. ^ "Prognostic Reasoning for Tropical Storm 23W (Kong-rey) Warning NR 10". Joint Typhoon Warning Center. 2024-10-27. Retrieved 2024-10-27.
  10. ^ "RSMC Tropical Cyclone Prognostic Reasoning". Japan Meteorological Agency. 2024-10-26. Retrieved 2024-10-27.
  11. ^ "RSMC Tropical Cyclone Reasoning". Japan Meteorological Agency. 2024-10-27. Retrieved 2024-10-27.
  12. ^ "Leon now a severe tropical storm; 12 areas under Signal No. 1". GMA News Online. 2024-10-28. Retrieved 2024-10-28.
  13. ^ a b "Severe Weather Bulletin #7 for Tropical Storm 'Leon' (Kong-rey)" (PDF). PAGASA. 28 October 2024. Retrieved 28 October 2024.
  14. ^ "Severe Weather Bulletin #4 for Tropical Storm 'Leon' (Kong-rey)" (PDF). PAGASA. 27 October 2024. Retrieved 27 October 2024.
  15. ^ "Severe Weather Bulletin #2 for Tropical Storm 'Leon' (Kong-rey)" (PDF). PAGASA. 27 October 2024. Retrieved 27 October 2024.
  16. ^ Daguno-Bersamina, Kristine. "'Leon' advances west over Philippine Sea, Signal No. 1 possible by Sunday night". Philstar.com. Retrieved 2024-10-27.
  17. ^ Laqui, Ian. "Power back for majority of customers affected by 'Kristine'— Meralco". Philstar.com. Retrieved 2024-10-27.
  18. ^ "Leon slightly intensifies as it moves west over Philippine Sea". GMA News Online. 2024-10-27. Retrieved 2024-10-27.
  19. ^ "Still reeling from Kristine, Albay braces for future storms". GMA News Online. 2024-10-27. Retrieved 2024-10-27.
  20. ^ "Severe Weather Bulletin #5 for Tropical Storm 'Leon' (Kong-rey)" (PDF). PAGASA. 27 October 2024. Retrieved 27 October 2024.
  21. ^ AFP. "New storm bears down on Philippines after deadly Trami". Khaleej Times. Retrieved 2024-10-28.
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