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Typhoon Yinxing

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For other storms of the same name, see List of storms named Marce.
Typhoon Yinxing (Marce)
Typhoon Yinxing affecting Luzon early on November 6
Meteorological history
FormedNovember 3, 2024
Typhoon
10-minute sustained (JMA)
Highest winds140 km/h (85 mph)
Lowest pressure970 hPa (mbar); 28.64 inHg
Category 2-equivalent typhoon
1-minute sustained (SSHWS/JTWC)
Highest winds165 km/h (105 mph)
Lowest pressure968 hPa (mbar); 28.59 inHg
Overall effects
DamageNone
Areas affectedCaroline Islands, Philippines
Part of the 2024 Pacific typhoon season

Typhoon Yinxing, known in the Philippines as Typhoon Marce, is an active and strengthening tropical cyclone that is threatening the Philippines in early November 2024. It will be the third tropical cyclone in a series to impact the northern Philippines, following Tropical Storm Trami and Typhoon Kong-rey a few days earlier.

The twenty-second named storm and the ninth typhoon of the annual typhoon season, Yinxing, which refers to the Chinese term for the ginkgo tree, developed from an area of convection 494 km (307 mi) east of Yap. On November 3, the Japan Meteorological Agency (JMA) upgraded the system to a tropical storm named Yinxing, as it exhibited improved convective banding tightly wrapping around the obscured low-level circulation center. Microwave imaging revealed the development of a nascent microwave eye as the storm moved west-northwestward along the southwestern edge of a mid-level subtropical high.

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

Typhoon Yinxing emerged from an area of convection 494 km (307 mi) east of Yap, with satellite imagery showing the lower-level winds beginning to consolidate as the convective banding wraps around the low-level circulation center on November 2.[1] At 00:00 UTC the following day, the Japan Meteorological Agency (JMA) classified the system as a tropical depression,[2] and by 03:00 UTC, the United States Joint Typhoon Warning Center (JTWC) issued a tropical cyclone formation alert for the disturbance, citing a favorable environment for development characterized by low to moderate vertical wind shear, good divergence aloft, and warm sea surface temperatures of 29–30 °C (84–86 °F).[3] Later that same day, the JTWC designated the system as 24W, due to its compact structure and a small burst of deep convection occurring near the circulation center,[4] which revealed a nearly symmetrical and compact central dense overcast (CDO) with extremely cold cloud tops of −70 °C (−94 °F).[5] At 18:00 UTC that same day, the JMA upgraded the system to a tropical storm named Yinxing,[6] as it exhibited improved convective banding tightly wrapping around the obscured low-level circulation center.[7] At 05:00 PHT on November 4 (21:00 UTC on November 3), Yinxing moved into the Philippine Area of Responsibility, where PAGASA named it Marce.[8] Microwave imaging revealed the development of a nascent microwave eye as Yinxing moved west-northwestward along the southwestern edge of a mid-level subtropical high,[9][10] with the system being very compact and displaying a symmetrical and persistent CDO that obscured the circulation center.[11] Early the next day, both the JMA upgraded it to a severe tropical storm, and the JTWC classified it as a minimal typhoon.[12] Yinxing continued to slowly intensify in the Philippine Sea, with feeder bands wrapping more tightly into a symmetrical CDO and producing overshooting cloud tops.[13] A pinhole eye also began to form, prompting the JMA to upgrade it to a typhoon at 00:00 UTC on November 5.[14]

Preparations and impact

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PAGASA warned of heavy rains, strong winds, and storm surges affecting northern Luzon.[15] Beginning November 4, PAGASA issued Tropical Cyclone Wind Signal No. 1 in Batanes, mainland Cagayan, the Babuyan Islands, Isabela, Apayao, Ilocos Norte, Ilocos Sur, Abra, Kalinga, Mountain Province, Ifugao and in parts of Benguet, Nueva Vizcaya, Quirino and Aurora.[16] On November 5, PAGASA began raising Signal No. 2 over northeastern Cagayan.[17] The Department of National Defense ordered local authorities to forcibly evacuate residents of isolated areas.[18]

See also

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References

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  1. ^ Significant Tropical Weather Advisory for the Western and South Pacific Oceans, 18Z 2 November 2024 (Report). United States Joint Typhoon Warning Center. November 2, 2024. Archived from the original on November 2, 2024. Retrieved November 2, 2024.
  2. ^ Prognostic Reasoning No. 1 for tropical depression (Report). Tokyo, Japan: Japan Meteorological Agency. November 3, 2024. Archived from the original on November 3, 2024. Retrieved November 3, 2024.
  3. ^ Tropical Cyclone Formation Alert (Invest 90W) (Report). United States Joint Typhoon Warning Center. November 2, 2024. Archived from the original on November 2, 2024. Retrieved November 2, 2024.
  4. ^ Prognostic Reasoning for Tropical Depression 24W (Twenty-Four) Warning No. 1 (Report). United States Joint Typhoon Warning Center. November 3, 2024. Retrieved November 3, 2024.
  5. ^ Prognostic Reasoning for Tropical Storm 24W (Twenty-Four) Warning No. 2 (Report). United States Joint Typhoon Warning Center. November 3, 2024. Retrieved November 3, 2024.
  6. ^ Prognostic Reasoning No. 4 for TS Yinxing (2422) (Report). Tokyo, Japan: Japan Meteorological Agency. November 3, 2024. Archived from the original on November 4, 2024. Retrieved November 4, 2024.
  7. ^ Prognostic Reasoning for Tropical Storm 24W (Yinxing) Warning No. 4 (Report). United States Joint Typhoon Warning Center. November 4, 2024. Retrieved November 4, 2024.
  8. ^ "Severe Weather Bulletin #1 for Tropical Storm 'Marce' (Yinxing)" (PDF). PAGASA. November 4, 2024. Retrieved November 4, 2024.
  9. ^ Prognostic Reasoning for Tropical Storm 24W (Yinxing) Warning No. 5 (Report). United States Joint Typhoon Warning Center. November 4, 2024. Retrieved November 4, 2024.
  10. ^ Prognostic Reasoning No. 4 for TS Yinxing (2422) (Report). Tokyo, Japan: Japan Meteorological Agency. November 4, 2024. Archived from the original on November 4, 2024. Retrieved November 4, 2024.
  11. ^ Prognostic Reasoning for Typhoon 24W (Yinxing) Warning No. 4 (Report). United States Joint Typhoon Warning Center. November 4, 2024. Retrieved November 4, 2024.
  12. ^ Tropical Cyclone Advisory for STS Yinxing (2422) (Report). Tokyo, Japan: Japan Meteorological Agency. November 4, 2024. Archived from the original on November 4, 2024. Retrieved November 4, 2024.
  13. ^ Prognostic Reasoning for Typhoon 24W (Yinxing) Warning No. 7 (Report). United States Joint Typhoon Warning Center. November 4, 2024. Retrieved November 4, 2024.
  14. ^ Prognostic Reasoning No. 9 for TY Yinxing (2422) (Report). Tokyo, Japan: Japan Meteorological Agency. November 5, 2024. Archived from the original on November 5, 2024. Retrieved November 5, 2024.
  15. ^ "PAGASA urges Northern Luzon residents to prepare for heavy rains and storm surge ahead of Marce's landfall". ABS-CBN. November 4, 2024. Retrieved November 5, 2024.
  16. ^ "Signal No. 1 still up in Batanes, northern Luzon as 'Marce' intensifies further". ABS-CBN. November 5, 2024. Retrieved November 5, 2024.
  17. ^ "Signal No. 2 up in northern Cagayan as 'Marce' further intensifies". ABS-CBN. November 5, 2024. Retrieved November 5, 2024.
  18. ^ "Forced evacuation ordered in unreachable areas amid Marce — DND chief Teodoro". GMA News. November 5, 2024. Retrieved November 5, 2024.


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