Overall Green Tropical Cyclone for OSAI-24
in Cook Islands

Event summary

Tropical Cyclone OSAI-24 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1001047
Name OSAI-24
From - To 06 Feb - 08 Feb
Exposed countries Cook Islands
Exposed population No people in Category 1 or higher
Maximum wind speed 93 km/h Tropical storm
Maximum storm surge 0.2 m (06 Feb 23:00 UTC)
Vulnerability Medium (Cook Is.)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS JTWC 93 km/h 0.2 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 97 km/h 0.5 m 929 mm 0.5
GFS 112 km/h 0.6 m 761 mm 0.5
ECMWF 72 km/h 0.6 m 1054 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.

Updates on volcanic activity (Smithsonian)

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

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),