Japanese 25-year Reanalysis Project
(JRA-25) was started for five-year period
from 2001 to 2005, based on collabolation
between Japan Meteorological Agency
(JMA) and Central Research Institute
of Electric Power Industry (CRIEPI).
The object is to produce high quality
climatological dataset to enhance seasonal
prediction model and climatological
studies, and to acquire accurate global
was completed its calculation in March 2006.
The JRA-25 official data preparation for research use was completed
and the new web site of JRA-25 was opened.
download service from "Evaluation Group" was terminated.
Since a part of
JRA-25 data were recalculated due to problems of the data assimilation,
the data for the period were replaced in the offical JRA-25
Data for the next
periods were replaced;
Jan., Feb., Nov. 1992
From Jan. 1994 to Jan. 2002