Climate System Monitoring
El Niño Monitoring
NWP Model Prediction
Climate in Japan
Ensemble Model Prediction
> Verification of Warm/Cold Season Prediction
Verification of Warm/Cold Season Prediction
Error maps for every forecast
Z500, T850 and SLP ( Northern Hemisphere )
Systematic error is removed.
Stream Function and Velocity Potential, Precipitation, Surface air temperature,Sea sureface temperature, Z500 and SLP
Model normals based on hindcast.
Before May 2015 (JMA/MRI-CPS1): JRA-25/JCDAS and COBE-SST (1981 – 2010)
June 2015 – January 2022 (JMA/MRI-CPS2): JRA-55 and COBE-SST (1981 – 2010)
February 2022 – present (JMA/MRI-CPS3): JRA-3Q and MGDSST (1991 – 2020)
Before January 2022: 2.5 degrees
February 2022 – present: 1.25 degrees
updated: June 06, 2022
Tokyo Climate Center, Climate Prediction Division.
Copyright(C) 2002. Japan Meteorological Agency. -