Overall Green alert Tropical Cyclone for MARIAN-21
in Cocos (Keeling) Islands,

Event summary

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

GDACS ID TC 1000771
Name MARIAN-21
From - To 26 Feb - 06 Mar
Exposed countries Cocos (Keeling) Islands,
Exposed population No people in Category 1 or higher
Maximum wind speed 185 km/h Category 3
Maximum storm surge 0.2 m (26 Feb 05:00 UTC)
Vulnerability Low (Cocos Is.)


For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS JTWC 65 km/h 0.2 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 162 km/h 0.5 m 897 mm 0.5
GFS 140 km/h 0.1 m 1036 mm 0.5
ECMWF 169 km/h 0.2 m 1111 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, 2024. 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

Articles: 2 | About casualties: 0 | Last hour: 0

Océan Indien : le cyclone Marian, 9e phénomène de la saisonTue, 02 Mar 2021 13:35:00 +0100.

Le cyclone Marian a atteint l'équivalent de la catégorie 4 sur l'échelle de Saffir-Simpson. Perdu au milieu de l'océan Indien, c'est le 9e phénomène nommé de la saison. Il ne menace aucune terre habitée et va revenir en direction de l’Austr
Wild Weather Headed to WA’s Pilbara Area, Heavy Rainfall and Strong Wi ... Tue, 02 Feb 2021 01:19:00 +0100.

A Manly ferry passes Sydney Heads as a storm front crosses Sydney Harbour on January 9, 2018 in Sydney, Australia.(Cameron Spencer/Getty Images) Authorities have issued a cyclone blue alert from Mardie to Ningaloo on the northwest cape of

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), (2), INFORM (2),