Overall Green alert Tropical Cyclone for TWENTYEIGH-21
in New Caledonia

Event summary

Tropical Cyclone TWENTYEIGH-21 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000777
From - To 10 Apr - 11 Apr
Exposed countries New Caledonia
Exposed population No people in Category 1 or higher
Maximum wind speed 74 km/h Tropical storm
Maximum storm surge 0.2 m (10 Apr 20:00 UTC)
Vulnerability Medium (New Caledonia)


For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS 74 km/h 0.2 m n.a. 0.5
GDACS+ 83 km/h 0 m 216 mm 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 79 km/h 0.3 m 198 mm 0.5
GFS 79 km/h 0.3 m 216 mm 0.5
ECMWF 83 km/h 0.3 m 507 mm 0.5
Beta Version - All weather systems in the area: maximum expected impact (wind, storm surge, rainfall)
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, 2021. 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)

Latest media headlines

No content available ..

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 (38), (1), WMO (1), INFORM (2),