Overall Green Tropical Cyclone alert for GRANT-26 in Cocos (Keeling) Islands from 18 Dec 2025 12:00 UTC to 18:00

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 alert Tropical Cyclone for GRANT-26

in Cocos (Keeling) Islands

Event summary

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

GDACS ID	TC 1001243
Name	GRANT-26
From - To	18 Dec - 03 Jan
Exposed countries	Cocos (Keeling) Islands
Exposed population	No people in Category 1 or higher
Maximum wind speed	222 km/h Category 4
Maximum storm surge	n.a.
Vulnerability	Low (Cocos Is.)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
GDACS JTWC	222 km/h	n.a.	n.a.	0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	227 km/h	n.a.	620 mm	0.5
GFS	176 km/h	0.7 m	1267 mm	0.5
ECMWF	137 km/h	0.7 m	0 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)

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), (2), INFORM (2),

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