Overall Green alert Tropical Cyclone for EIGHT-25
in Japan

Event summary

Tropical Cyclone EIGHT-25 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1001179
Name EIGHT-25
From - To 15 Jul - 15 Jul
Exposed countries Japan
Exposed population No people in Category 1 or higher
Maximum wind speed 74 km/h Tropical storm
Maximum storm surge 0.6 m (15 Jul 16:00 UTC)
Vulnerability Low (Japan)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS JTWC 74 km/h 0.6 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 90 km/h 1.1 m 270 mm 0.5
GFS 97 km/h 1 m 269 mm 0.5
ECMWF 72 km/h 1.2 m 353 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Japan - Tropical storm EIGHT (ECHO 20 Jul 2025)Tue, 15 Jul 2025 09:26

  • A new tropical storm named EIGHT has formed over the northern Philippine Sea and is moving toward southern Honshu Island, central Japan. As of 15 July at 00.00 (UTC), its centre was located over the ocean, approximately 700 km south of the Greater Tokyo area, with maximum sustained winds of 65 km/h, tropical storm.
  • EIGHT is expected to move northward and is projected to approach the coast of Chiba Prefecture, central-eastern Honshu on 15 July, maintaining its tropical storm intensity.
  • On 15–16 July, heavy rainfall and strong winds are expected across central-eastern and northeastern Honshu, as well as Hokkaido Island.

 

Detailed event map. European Union, 2025. 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

Green alert for tropical cyclone EIGHT-25. Population affected by Cate.. 7/17/2025 4:28:00 PM.

Japan - Tropical storm EIGHT (ECHO 17 Jul 2025) Tue, 15 Jul 2025 09:26 A new tropical storm named EIGHT has formed over the northern Philippine Sea and is moving toward southern Honshu Island, central Japan. As of 15 July at 00.00 (UTC), it
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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), (2), WMO (1), INFORM (2),