Overall Green Tropical Cyclone for LAN-23
in Japan

Event Summary

Tropical Cyclone LAN-23 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 38: (17 Aug 2023 23:33).

Name LAN-23
From - To 07 Aug - 17 Aug
Exposed countries Japan
Exposed population 17.5 million in Category 1 or higher
Maximum wind speed 213 km/h, Category 4
Maximum storm surge n.a.
Vulnerability Low (Japan)

Weather forecast centres

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


RSMC Tokyo-Typhoon Center/Japan Meteorological Agency

National Meteorological and Hydrological Services (NMHSs)

Japan Meteorological Agency, National Weather Service of Japan


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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