Overall Green Tropical Cyclone for JANGMI-26 in Japan from 27 May 2026 06:00 UTC to 29 May 2026 12:00 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 JANGMI-26

in Japan

Event summary

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

GDACS ID	TC 1001272
Name	JANGMI-26
From - To	27 May - 29 May
Exposed countries	Japan
Exposed population	1.6 million in Category 1 or higher
Maximum wind speed	148 km/h Category 1
Maximum storm surge	0.8 m (01 Jun 13:00 UTC)
Vulnerability	Low (Japan)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
GDACS JTWC	148 km/h	0.8 m	n.a.	0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	169 km/h	0.5 m	909 mm	0.5
GFS	140 km/h	0.8 m	423 mm	0.5
ECMWF	112 km/h	0.5 m	538 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

Tropical Storm Domeng slightly intensifies over the Philippine Sea 5/29/2026 7:43:00 AM.

Satellite image from DOST / Pagasa. CEBU CITY, Philippines — The state weather bureau’s latest bulletin for Tropical Storm Domeng, internationally named “JANGMI,” has indicated a slight intensification as it continues its northwestward trac

...(more)

View more news

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),

Disclaimer - Copyright
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.