Overall Green alert Tropical Cyclone for PETER-21
in Puerto Rico, Virgin Islands U.S., Virgin Islands British, Anguilla, Saint Kitts and Nevis, Antigua and Barbuda

Event summary

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

GDACS ID TC 1000829
Name PETER-21
From - To 19 Sep - 23 Sep
Exposed countries Puerto Rico, Virgin Islands U.S., Virgin Islands British, Anguilla, Saint Kitts and Nevis, Antigua and Barbuda
Exposed population No people in Category 1 or higher
Maximum wind speed 83 km/h Tropical storm
Maximum storm surge
Vulnerability Medium (Anguilla)


For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS NOAA 46 km/h 0 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 97 km/h 0.5 m 699 mm 0.5
GFS 130 km/h 0.5 m 209 mm 0.5
ECMWF 115 km/h 0.8 m 422 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: 427 | About casualties: 34 | Last hour: 0

Tropical Weather Outlook2021-09-26T23:58+0200.

NWS National Hurricane Center Miami FL. 800 AM EDT Sun Sep 26 2021. For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Sam, located about 900 miles east-southeast
Hurricane Sam 2021 a powerful Category 42021-09-26T18:35+0200.

Sam was in the open ocean, however, and no immediate threat to land. As of 10 a.m. CDT Sunday, Hurricane Sam was located about 905 miles east-southeast of the Northern Leeward Islands and was moving west-northwest at 8 mph. Sam had 145 mph
Sam a powerful category 4 hurricane, but not expected to threaten U.S. ... 2021-09-26T17:49+0200.

Hurricane Sam continues to swirl over the central Atlantic Sunday morning as a category 4 major hurricane with 145 mph winds. Currently, Sam does not threaten any land areas, but rough surf generated by the storm is expected to reach the Le
Sam evolved into a category four hurricane in the Atlantic: what will ... 2021-09-26T15:05+0200.

Hurricane sam strengthened more than expected and is already advancing as a phenomenon of category four on the Saffir-Simpson scale , with maximum sustained winds churning at 233 kilometers per hour. The system is located closer and closer

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), (2), INFORM (2),