RIKEN Weather Forecast


Japanese
RIKEN WEATHER FORECAST

Global precipitation nowcast
Updated every 1 hours, 12-hour forecast (GSMaP_RNC)
Updated every 1 hours, 12-hour AI forecast (GSMaP_RAIN)
Updated every 6 hours, 5-day forecast (GSMaP×NEXRA)
Precipitation Nowcast for Osaka Area
Refreshed every 30 seconds, 10 minutes nowcast
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Precipitation Nowcast for Tokyo Area
Refreshed every 30 seconds, 10 minutes nowcast
Experimental forecast for August 5-31, 2025
Precipitation Forecast for Osaka area
(Numerical weather prediction)
Refreshed every 30 seconds, 30 minutes forecast

Past experiment

Experimental forecast for Tokyo area between July 20 - August 8 and August 24 - September 5, 2021

Data assimilation research team

RIKEN
Center for Computational Science
Data Assimilation Research Team