Overall Green Tropical Cyclone for SAM-21 in Greenland, Iceland, Faroe Islands from 22 Sep 2021 21:00 UTC to 05 Oct 2021 09:00 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 Tropical Cyclone for SAM-21

in Greenland, Iceland, Faroe Islands

Event summary

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

GDACS ID	TC 1000833
Name	SAM-21
From - To	22 Sep - 05 Oct
Exposed countries	Greenland, Iceland, Faroe Islands
Exposed population	No people in Category 1 or higher
Maximum wind speed	241 km/h Category 4
Maximum storm surge	0.2 m (05 Oct 15:00 UTC)
Vulnerability	Low (Greenland)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
GDACS NOAA	n.a	0.2 m	n.a.	0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	248 km/h	0.8 m	662 mm	0.5
GFS	256 km/h	0.8 m	548 mm	0.5
ECMWF	184 km/h	0.9 m	364 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)

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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), INFORM (2), (1),

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