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 - 11 Aug
Exposed countries Japan
Exposed population No people in Category 1 or higher
Maximum wind speed 93 km/h Tropical storm
Maximum storm surge 0.6 m (11 Aug 10:00 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 0.6 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 94 km/h 2.5 m 432 mm 0.5
GFS 137 km/h 3 m 657 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

Monsoon Rains and Cyclones Kill More Than 50 Across Asia 8/13/2026 12:44:00 PM.

Millions have been evacuated in China, India, the Philippines and Myanmar as storms trigger widespread damage. So far in August, more than 50 people have died and millions have been forced to evacuate due to monsoon rains, cyclones and subs
...(more)
Typhoon makes landfall in eastern Japan''s Kanto region 8/13/2026 1:55:00 AM.

Typhoon Chan-hom followed an unusual east-to-west path, steered by winds around a high-pressure system lingering north of the Japanese archipelago. It is expected to reach western Japan and weaken into a tropical depression by early Wednesd
...(more)
World Aug 12, 2026 @ 12:28am Typhoon Dolphin unleashes floods across C.. 8/12/2026 9:22:00 PM.

The National Meteorological Center renewed an orange alert for heavy rain, the second-highest warning level, with Hubei expected to receive as much as 250mm of rain in a 24-hour period. Hubei, a major auto and high-tech electronics manufact
...(more)
CWA warns of hot and unstable weather 2026-08-13 ‘ORANGE’ ALERT: The a.. 8/12/2026 4:04:00 PM.

Temperatures might hit 36°C in parts of Taiwan, while the nation’s southwest faces the threat of heavy rain, with unstable weather expected over the next few days, the Central Weather Administration (CWA) said yesterday. The CWA issued an “
...(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

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),