Overall Green Tropical Cyclone for CHAN-HOM-26 in Japan from 07 Aug 2026 00:00 UTC to 10 Aug 2026 06:00 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Green Tropical Cyclone for CHAN-HOM-26

in Japan

Event summary

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

GDACS ID	TC 1001299
Name	CHAN-HOM-26
From - To	07 Aug - 10 Aug
Exposed countries	Japan
Exposed population	No people in Category 1 or higher
Maximum wind speed	93 km/h Tropical storm
Maximum storm surge	0.5 m (11 Aug 11:00 UTC)
Vulnerability	Low (Japan)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
GDACS JTWC	93 km/h	0.5 m	n.a.	0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	97 km/h	2.5 m	432 mm	0.5
GFS	144 km/h	2.9 m	571 mm	0.5
ECMWF	137 km/h	3.1 m	696 mm	0.5

Maximum expected impact (wind, storm surge and rainfall) using different data sources.

Virtual OSOCC

Meteo assessment

Satellite products

Analytical products

Detailed event map. European Union, 2026. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Typhoon Dolphin: Flooding Hits China, Death Toll Rises as Storm Trigge.. 8/10/2026 10:26:00 AM.

BEIJING (AP): Tropical Storm Dolphin dumped heavy rain in eastern China on Monday, causing flooding in places after making landfall as a typhoon the previous day. Authorities have warned of risks of severe flooding and landslides in some ar

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Tropical storm causes flooding in eastern China 8/10/2026 10:03:00 AM.

A car pinned by fallen scaffolding after Typhoon Dolphin affected Wenzhou in eastern China''s Zhejiang province on August 10 2026. Picture: ((Chinatopix Via AP)) Tropical Storm Dolphin dumped heavy rain in eastern China on Monday, causing

...(more)

Tropical storm causes flooding in eastern China 8/10/2026 9:56:00 AM.

A car pinned by fallen scaffolding after Typhoon Dolphin affected Wenzhou in eastern China''s Zhejiang province on August 10 2026. Picture: ((Chinatopix Via AP)) Tropical Storm Dolphin dumped heavy rain in eastern China on Monday, causing

...(more)

Tropical storm causes flooding in eastern China 8/10/2026 9:51:00 AM.

A car pinned by fallen scaffolding after Typhoon Dolphin affected Wenzhou in eastern China''s Zhejiang province on August 10 2026. Picture: ((Chinatopix Via AP)) Tropical Storm Dolphin dumped heavy rain in eastern China on Monday, causing

...(more)

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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Analytical products

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (40), WMO (1), INFORM (2), (1),

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