Overall Green Tropical Cyclone for HALONG-25 in Japan from 04 Oct 2025 12:00 UTC to 09 Oct 2025 18:00 UTC

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Overall Green Tropical Cyclone for HALONG-25

in Japan

Event Summary

Tropical Cyclone HALONG-25 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 22: (11 Feb 2026 15:18).

Name	HALONG-25
From - To	04 Oct - 09 Oct
Exposed countries	Japan
Exposed population	No people in Category 1 or higher
Maximum wind speed	222 km/h, Category 4
Maximum storm surge	n.a.
Vulnerability	Low (Japan)

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)

Japan Meteorological Agency, National Weather Service of Japan
http://www.jma.go.jp/jma/index.html

Wind

Precipitation

Temp Min

Temp Max

Interactive Map

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

Source: NOAA-GFS

Meteo Assessment +

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Event Summary

Weather forecast centres

National Meteorological and Hydrological Services (NMHSs)

Japan Meteorological Agency, National Weather Service of Japanhttp://www.jma.go.jp/jma/index.html

Meteo Assessment +

Japan Meteorological Agency, National Weather Service of Japan
http://www.jma.go.jp/jma/index.html