Overall Green alert Tropical Cyclone for SEAN-25
in Australia

Event summary

Tropical Cyclone SEAN-25 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1001137
Name SEAN-25
From - To 18 Jan - 23 Jan
Exposed countries Australia
Exposed population No people in Category 1 or higher
Maximum wind speed 213 km/h Category 4
Maximum storm surge 0.9 m (19 Jan 08:00 UTC)
Vulnerability Low (Australia)

GDACS Score

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Wind Storm surge Rainfall GDACS score
GDACS JTWC 213 km/h 0.9 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 202 km/h 1.1 m 450 mm 0.5
GFS 151 km/h 1.2 m 436 mm 0.5
ECMWF 86 km/h 1.2 m 375 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Australia - Tropical cyclone SEAN (ECHO 27 Jan 2025)Wed, 22 Jan 2025 11:43

  • Tropical cyclone SEAN, which formed in the eastern Indian Ocean passed very close to the northern coasts of Western Australia on 19-21 January, bringing heavy rain and strong winds over the northern and north-western coast of the aforementioned state. On 22 January at 0.00 UTC, its centre was located over the sea, approximately 700 km west of the western coast of Western Australia, with maximum sustained winds of 83 km/h.
  • According to media, its passage resulted in flooded roads and homes, damage to power infrastructure, and ports closure. The worst-hit city was Karratha which received 274.4 mm in 24 hours.
  • Sean is forecast to move southeastwards and it will weaken and dissipate on 23 January. For the next 24 hours, moderate rainfall is expected across northern and south-eastern Western Australia.
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)

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Exposed population

Data, images, links, services and documents

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