Overall Red alert Tropical Cyclone for NIRAN-21
in New Caledonia, Australia, Norfolk Island, Vanuatu

Event Summary

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

Updated: this report is based on advisory number 25: (21 May 2021 13:18).

Name NIRAN-21
From - To 01 Mar - 07 Mar
Exposed countries New Caledonia, Australia, Norfolk Island, Vanuatu
Exposed population 240 thousand in Category 1 or higher
Maximum wind speed 259 km/h, Category 5
Maximum storm surge n.a.
Vulnerability Medium (New Caledonia)

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)

Meteo France Nouvelle Calédonie, National Weather Service of New Caledonia


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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