Overall Green Tropical Cyclone for CHOI-WAN-26 in Guam, Northern Mariana Islands, Russian Federation, United States from 30 Sep 2026 00:00 UTC to 04 Oct 2026 18:00 UTC

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Overall Green Tropical Cyclone for CHOI-WAN-26

in Guam, Northern Mariana Islands, Russian Federation, United States

Event Summary

Tropical Cyclone CHOI-WAN-26 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Updated: this report is based on advisory number 20: (04 Oct 2026 23:01).

Name	CHOI-WAN-26
From - To	30 Sep - 04 Oct
Exposed countries	Guam, Northern Mariana Islands, Russian Federation, United States
Exposed population	No people in Category 1 or higher
Maximum wind speed	250 km/h, Category 4
Maximum storm surge	n.a.
Vulnerability	Medium (Guam)

Weather forecast centres

Regional Specialized Meteorological Centres (RSMCs), Tropical Cyclone Warning Centres (TCWCs).

RSMC Tokyo-Typhoon Center/Japan Meteorological Agency

http://www.jma.go.jp/en/typh/

National Meteorological and Hydrological Services (NMHSs)

Wind

Precipitation

Temp Min

Temp Max

Interactive Map

Source: NOAA-GFS(Meteo); GDACS/JTWC (TcTrack )

Source: NOAA-GFS

Meteo Assessment +

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