Overall Green Tropical Cyclone alert for KOJI-26 in Australia from 10 Jan 2026 06:00 UTC to 11 Jan 2026 00:00 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 KOJI-26

in Australia

Event summary

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

GDACS ID	TC 1001247
Name	KOJI-26
From - To	10 Jan - 11 Jan
Exposed countries	Australia
Exposed population	No people in Category 1 or higher
Maximum wind speed	83 km/h Tropical storm
Maximum storm surge	0.8 m (10 Jan 17:00 UTC)
Vulnerability	Low (Australia)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
GDACS JTWC	83 km/h	0.8 m	n.a.	0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	104 km/h	1.2 m	828 mm	0.5
GFS	104 km/h	1.1 m	400 mm	0.5
ECMWF	86 km/h	0.9 m	624 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), WMO (1), INFORM (2), (1),

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