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Tropical Storm Trami (2024)

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This article is about the tropical storm in 2024. For other storms of the same name, see List of storms named Trami and List of storms named Kristine.
Tropical Storm Trami (Kristine)
Trami in its formative stages on October 21
Meteorological history
FormedOctober 19, 2024
Tropical storm
10-minute sustained (JMA)
Highest winds65 km/h (40 mph)
Lowest pressure994 hPa (mbar); 29.35 inHg
Tropical storm
1-minute sustained (SSHWS/JTWC)
Highest winds65 km/h (40 mph)
Lowest pressure992 hPa (mbar); 29.29 inHg
Overall effects
Areas affectedPhilippines
Part of the 2024 Pacific typhoon season

Tropical Storm Trami, known in the Philippines as Tropical Storm Kristine, is currently an active tropical cyclone in the Western Pacific Ocean, affecting the Philippines in October 2024. The twenty named storm of the annual typhoon season, Trami developed into a low-pressure area and later into a tropical depression west of Guam on October 19, moving westward along the southern periphery. After entering the Philippine Area of Responsibility, PAGASA named the depression Kristine on October 20. The storm was embedded within a larger trough that extended from the Philippine Islands eastward almost to Guam. Early the next day, satellite imagery revealed that the depression was exposed, featuring elongated circulation and convective bands wrapping around its center.

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
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

The origins of Tropical Storm Trami can be traced back to October 19, when the Japan Meteorological Agency (JMA) reported a low-pressure area located 633 km (394 mi) west of Guam.[1] The United States Joint Typhoon Warning Center (JTWC) described it as a very weak vortex with light winds wrapping around the circulation, along with deep moisture fields to the southwest beginning to encircle the vortex.[2] The low-pressure area later moved westward slowly before it was designated as a tropical depression by the JMA.[3] At 15:00 UTC that day, the JTWC issued a tropical cyclone formation alert, indicating a consolidating low-level circulation center bounded by formative convective banding wrapping around its northern and southern edges.[4] The depression was moving westward along the southern periphery of a mid-level subtropical high, which made it favorable for tropical cyclogenesis due to low vertical wind shear, warm sea surface temperatures, and high ocean heat content.[5]

The following day, the JTWC designated the system as 22W, as low-level banding wrapped into the circulation center, with a tightly curved convective band wrapping along the eastern edge of the circulation.[6] After entering the Philippine Area of Responsibility, the depression was named Kristine by the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) at 05:00 PHT on October 21 (21:00 UTC on October 20) and was embedded within the larger trough that extended from the Philippine Islands eastward almost to Guam.[7][8] Early the next day, satellite imagery revealed that the depression was exposed, featuring elongated circulation and convective bands wrapping around the center.[9] At 18:00 UTC that day, the JMA upgraded the system to a tropical storm and named it Trami, with spiral bands of deep convection starting to wrap around the low-level circulation.[10][11]

Preparations and impact

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PAGASA stated that the wind flow directed towards the circulation of the tropical depression will bring strong to gale-force winds to several regions in the Philippines.[7] Shortly after upgrading the storm, PAGASA issued Tropical Cyclone Wind Signal No. 1 for Aurora, Catanduanes, Masbate, Ticao Island, Burias Island, Camarines Sur, Albay, Sorsogon, Camarines Norte, the northern and eastern portion of Quezon. including Pollilo Islands, Eastern Samar, Northern Samar, Samar, Leyte, Biliran, Southern Leyte, Dinagat Islands, Surigao del Norte, Siargao, and Bucas Grande.[12] A red alert warning has been issued for the Bicol Region and the Cordillera Administrative Region.[13][14] Classes in some parts of Bohol, Camarines Norte, Camarines Sur, Laguna, Quezon, Sorsogon, Negros Occidental, Northern Samar, and Oriental Mindoro were suspended due to the storm.[15][16] Other than the warnings, Bicol region was placed on red alert from the Regional Disaster Risk Reduction and Management Council (RDRRMC) of Bicol itself. Following this, the RDRRMC activated all their response clusters. Communities were also urged to take preparations for Kristine.[17]

The Office of Civil Defense anticipates that the storm will affect approximately 30 million individuals across different regions and has announced that it has initiated the Charlie protocol—its highest level of emergency readiness—in seven areas due to these anticipated effects.[18][19] Officials from Batanes and Ilocos Norte expressed concern about the potential for further damage to their provinces due to the expected impact of the storm, especially since these areas were still recovering from Typhoon Krathon (Julian) in 2024.[20] At least 1,007 passengers were stranded in the Bicol region due to the threats posed by the storm.[21] Telecommunications company Globe Telecom prepared emergency supplies and personnel in areas where the storm is expected to hit.[22] Heavy rains were reported in the Visayas, Mindanao, and parts of Luzon due to the storm's trough.[23] In Bacolod, more than 281 residents from two barangays were evacuated due to flash floods caused by heavy rains from the storm.[24] The Department of Agriculture urged local farmers to harvest their rice in wake of the storm.[25] The Philippine Coast Guard banned sea travel in multiple provinces in the island of Samar, with the greatest loss travel going to island communities.[26] 782 people were stranded in ports located in the Bicol region because of Kristine.[27]

See also

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References

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  1. ^ Warning and Summary 191200 (Report). Tokyo, Japan: Japan Meteorological Agency. October 19, 2024. Archived from the original on October 19, 2024. Retrieved October 19, 2024.
  2. ^ Significant Tropical Weather Advisory for the Western and South Pacific Oceans, 03Z 19 October 2024 (Report). United States Joint Typhoon Warning Center. October 19, 2024. Archived from the original on October 19, 2024. Retrieved October 19, 2024.
  3. ^ Warning and Summary 191800 (Report). Tokyo, Japan: Japan Meteorological Agency. October 19, 2024. Archived from the original on October 19, 2024. Retrieved October 19, 2024.
  4. ^ Tropical Cyclone Formation Alert (Invest 96W) (Report). United States Joint Typhoon Warning Center. October 19, 2024. Retrieved October 19, 2024.
  5. ^ Prognostic Reasoning No. 1 for tropical depression (Report). Tokyo, Japan: Japan Meteorological Agency. October 20, 2024. Archived from the original on October 20, 2024. Retrieved October 20, 2024.
  6. ^ Prognostic Reasoning for Tropical Depression 22W (Twenty-Two) Warning No. 1 (Report). United States Joint Typhoon Warning Center. October 20, 2024. Retrieved October 20, 2024.
  7. ^ a b "Tropical Cyclone Bulletin #1 for Tropical Depression 'Kristine'" (PDF). PAGASA. October 21, 2024. Archived from the original (PDF) on October 21, 2024. Retrieved October 21, 2024.
  8. ^ Prognostic Reasoning for Tropical Depression 22W (Twenty-Two) Warning No. 3 (Report). United States Joint Typhoon Warning Center. October 20, 2024. Retrieved October 20, 2024.
  9. ^ Prognostic Reasoning for Tropical Depression 22W (Twenty-Two) Warning No. 4 (Report). United States Joint Typhoon Warning Center. October 21, 2024. Retrieved October 21, 2024.
  10. ^ Prognostic Reasoning No. 7 for TS Trami (2401) (Report). Tokyo, Japan: Japan Meteorological Agency. October 21, 2024. Archived from the original on October 21, 2024. Retrieved October 21, 2024.
  11. ^ Prognostic Reasoning for Tropical Storm 22W (Trami) Warning No. 6A (Report). United States Joint Typhoon Warning Center. October 21, 2024. Retrieved October 21, 2024.
  12. ^ "Tropical Cyclone Bulletin #3 for Tropical Depression 'Kristine'" (PDF). PAGASA. October 21, 2024. Archived from the original (PDF) on October 21, 2024. Retrieved October 21, 2024.
  13. ^ Nice (October 21, 2024). "Bicol Region, isinailalim sa Red Alert Status bilang paghahanda sa bagyong Kristine - OCD". Radyo Pilipinas. Retrieved October 21, 2024.
  14. ^ Agoot, Liza (October 21, 2024). "Cordillera under red alert due to TD Kristine". Philippine News Agency. Retrieved October 21, 2024.
  15. ^ "Class suspensions for Monday, October 21, 2024". GMA News Online. October 21, 2024. Retrieved October 21, 2024.
  16. ^ Sampang, Dianne (October 21, 2024). "Walang Pasok: Class suspensions on Tuesday, Oct. 22". INQUIRER.net. Retrieved October 21, 2024.
  17. ^ Sampang, Dianne (October 21, 2024). "Bicol region on red alert as Tropical Depression Kristine looms". INQUIRER.net. Retrieved October 22, 2024.
  18. ^ Espiritu, Rex (October 21, 2024). "OCD expects Tropical Depression "Kristine" to affect 30 million people". Manila Standard. Retrieved October 21, 2024.
  19. ^ "OCD activates 'Charlie' protocol in 7 regions due to TD Kristine". Philippine News Agency. October 21, 2024. Retrieved October 21, 2024.
  20. ^ "PH braces for Tropical Depression Kristine". GMA News Online. October 21, 2024. Retrieved October 21, 2024.
  21. ^ Calipay, Connie (October 21, 2024). "1K passengers, cargoes stranded in Bicol ports due to 'Kristine'". Philippine News Agency. Retrieved October 21, 2024.
  22. ^ release, Press (October 21, 2024). "Globe network, personnel ready for 'Kristine'". Punto! Central Luzon. Retrieved October 21, 2024.
  23. ^ "TD Kristine to bring rain to Southern Palawan". PALAWAN NEWS. October 20, 2024. Retrieved October 21, 2024.
  24. ^ Guadalquiver, Nanette (October 21, 2024). "Bacolod City hit by floods, suspends classes due to TD Kristine". Philippine News Agency. Retrieved October 21, 2024.
  25. ^ Ostria, Rey Anthony (October 21, 2024). "Farmers in Bicol urged to harvest rice, corn ahead of Kristine". INQUIRER.net. Retrieved October 22, 2024.
  26. ^ Meniano, Sarwell (October 21, 2024). "Philippine Coast Guard bans sea travel in parts of Samar provinces". INQUIRER.net. Retrieved October 22, 2024.
  27. ^ Mier-Manjares, Ma April (October 21, 2024). "Over 700 passengers stranded in Albay due to TD Kristine". INQUIRER.net. Retrieved October 22, 2024.
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