Overall Orange alert Tropical Cyclone for ISAIAS-20
in United States, Bahamas, Dominican Republic, Puerto Rico, Haiti, Virgin Islands U.S., Turks and Caicos Islands, Virgin Islands British, Cuba, Anguilla, Aruba, Netherlands Antilles, Saint Kitts and Nevis, Venezuela, Colombia, Montserrat, Antigua and Barbuda, Guadeloupe, Martinique, Saint Lucia, Saint Vincent and the Grenadines, Grenada, Barbados, Trinidad and Tobago, Dominica, Jamaica

Event Summary

Tropical Cyclone ISAIAS-20 can have a medium humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Updated: this report is based on advisory number 33: (06 Aug 2020 07:30).

Name ISAIAS-20
From - To 28 Jul - 05 Aug
Exposed countries United States, Bahamas, Dominican Republic, Puerto Rico, Haiti, Virgin Islands U.S., Turks and Caicos Islands, Virgin Islands British, Cuba, Anguilla, Aruba, Netherlands Antilles, Saint Kitts and Nevis, Venezuela, Colombia, Montserrat, Antigua and Barbuda, Guadeloupe, Martinique, Saint Lucia, Saint Vincent and the Grenadines, Grenada, Barbados, Trinidad and Tobago, Dominica, Jamaica
Exposed population 920 thousand in Category 1 or higher
Maximum wind speed 139 km/h, Category 1
Maximum storm surge n.a.
Vulnerability Low (The Bahamas)

Weather forecast centres

Regional Specialized Meteorological Centres (RSMCs), Tropical Cyclone Warning Centres (TCWCs).


RSMC Miami-Hurricane Center/NOAA/NWS National Hurricane Center (NHC), USA

National Meteorological and Hydrological Services (NMHSs)

Department of Meteorology, Official website of meteorological institute


Source: NOAA-GFS(Meteo); GDACS/NOAA (TcTrack )

Source: NOAA-GFS(Meteo); GDACS/NOAA (TcTrack )

Source: NOAA-GFS(Meteo); GDACS/NOAA (TcTrack )

Source: NOAA-GFS(Meteo); GDACS/NOAA (TcTrack )

Source: NOAA-GFS

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