Overall Orange Tropical Cyclone for FOUR-26 in Guam on 09 Apr 2026 00:00 UTC

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Overall Orange Tropical Cyclone for FOUR-26

in Guam

Event summary

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

GDACS ID	TC 1001270
Name	FOUR-26
From - To	09 Apr - 09 Apr
Exposed countries	Guam
Exposed population	170 thousand in Category 1 or higher
Maximum wind speed	176 km/h Category 2
Maximum storm surge	n.a.
Vulnerability	Medium (Guam)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
GDACS JTWC	176 km/h	n.a.	n.a.	1.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	n.a	n.a.	n.a.	n.a.
GFS	122 km/h	0.3 m	888 mm	0.5
ECMWF	112 km/h	0.4 m	821 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.

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Estimated casualties (PAGER)

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Exposed population

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Data, images, links, services and documents

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

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