Japanese 25-year ReAnalysis (JRA-25) and JMA Climate Data Assimilation System (JCDAS)

Last updated: December 2008



The Japan Meteorological Agency (JMA) and the Central Research Institute of Electric Power Industry (CRIEPI) conducted a 26-year reanalysis project referred to as the Japanese 25-year Reanalysis (JRA-25). JMA and CRIEPI offer users JRA-25 products.

JMA also operates a real-time climatic assimilation system known as the JMA Climate Data Assimilation System (JCDAS), for diagnosis of the present state of climate. JMA offers users JCDAS products under the same conditions as those for JRA-25 products.


JRA-25

How to get data ?

JCDAS

Links
Climate Prediction Division, Global Environment and Marine Department, Japan Meteorological Agency