Overall Green alert Tropical Cyclone for SALLY-20
in United States

Event Summary

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

Updated: this report is based on advisory number 25: (18 Sep 2020 15:48).

Name SALLY-20
From - To 11 Sep - 17 Sep
Exposed countries United States
Exposed population 770 thousand in Category 1 or higher
Maximum wind speed 167 km/h, Category 2
Maximum storm surge n.a.
Vulnerability Low (United States)

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)

National Oceanic and Atmospheric Administration, National Weather Service of U.S.A.


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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