Overall Green alert Tropical Cyclone for WASI-20
in Samoa, Niue

Event Summary

Tropical Cyclone WASI-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 9: (06 Mar 2020 14:33).

Name WASI-20
From - To 21 Feb - 23 Feb
Exposed countries Samoa, Niue
Exposed population No people in Category 1 or higher
Maximum wind speed 102 km/h, Tropical storm
Maximum storm surge 0.2
Vulnerability Medium (Samoa)

Weather forecast centres

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


RSMC Nadi-Tropical Cyclone Centre/Fiji Meteorological Service

TCWC-Brisbane/Bureau of Meteorology, Australia

TCWC-Port Moresby/National Weather Service, Papua New Guinea

TCWC-Wellington/Meteorological Service of New Zealand

National Meteorological and Hydrological Services (NMHSs)

Samoa Meteorology Division, Official website of meteorological institute


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

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

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

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

Source: NOAA-GFS

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