Overall Green Tropical Cyclone alert for CHENGE-26 in British Indian Ocean Territory from 18 Oct 2025 06:00 UTC to 25 Oct 2025 18:00 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 alert Tropical Cyclone for CHENGE-26

in British Indian Ocean Territory

Event summary

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

GDACS ID	TC 1001228
Name	CHENGE-26
From - To	18 Oct - 25 Oct
Exposed countries	British Indian Ocean Territory
Exposed population	No people in Category 1 or higher
Maximum wind speed	106 km/h Tropical storm
Maximum storm surge	n.a.
Vulnerability	Low (British Indian Ocean Territory)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
WMO-RSMC La Réunion	106 km/h	n.a.	n.a.	0.5
GDACS JTWC	111 km/h	n.a.	n.a.	0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	108 km/h	0.8 m	429 mm	0.5
GFS	122 km/h	0.6 m	1137 mm	0.5
ECMWF	68 km/h	0.6 m	194 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, 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.

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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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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.
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