Direct Links to Monthly-mean Reanalysis Data
- ERA-Interim (
click for "Low" resolution;
click for "Full" resolution;
)
- Period: January 1979 - present
- Format: GRIB or netCDF
- Note: One time registration is necessary.
- Note: ECMWF data FAQ answers many of your questions.
- References:
Dee et al. 2011
- ERA-40 (click)
- Period: September 1957 - August 2002
- Format: GRIB or netCDF
- Note: One time registration is necessary.
- Note: ECMWF data FAQ answers many of your questions.
- References:
Uppala et al. 2005
- JRA-55 (click)
- Period: January 1958 - present
- Format: GRIB
- Note: Registration (to get ID and password) is necessary to download data.
- Note: Monthly data are now available (October 2013).
JRA-55 data will be also available from other, non-JMA websites.
See the release schedule at the JRA-55 website for further details.
- References:
Ebita et al. 2011
- JRA-25/JCDAS (click)
- Period: January 1979 - December 2013(?)
- Format: GRIB (or 4-byte big_endian for Monthly Means)
- Note: Registration (to get ID and password) is necessary to download data.
- Note: The distribution of the JRA-25/JCDAS data
(from the JMA site) will be terminated at the end of February 2014.
But, JRA-25/JCDAS data will still be available through
NCAR's Research Data Archive.
- References:
Onogi et al. 2007; see also
Ebita et al. 2011
- MERRA (click)
(after "click", select the data product
(e.g., "Monthly DAS 3d analyzed state on pressure (instM_3d_ana_Np)");
then select "Spatial Search", "Temporal Order Option", "Parameters",
etc.;
click "Start Search" to create a wget-list file; download the wget-list file
(click "the list of URLs");
and run wget command on your computer by following the instruction.)
- Period: January 1979 - present
- Format: HDF or netCDF
- Note: Longitude is from -180 through 0 to +180 degree,
and latitude is from -90 through 0 to +90 degree.
- Note: MERRA netCDF files do not contain the unit information.
See
File Specification documents for the unit and other detailed
information.
- References:
Rienecker et al. 2011
- NCEP CFSR (click)
- Period: January 1979 - December 2009
- Format: GRIB2 (netCDF at rda.ucar.edu)
- Note: Data files are archived monthly under
http://nomads.ncdc.noaa.gov/data/cfsrmon/
(e.g., http://nomads.ncdc.noaa.gov/data/cfsrmon/197901/*.*).
One way is to write a "shell script" to "wget" the interested files.
- Note: pgbhnl files for 0.5x0.5 deg., and pgblnl files for 2.5x2.5 deg.
(If you cannot find the "aggregation" files for the parameters
such as "prate" or "ulwtoa" at the above NOMADS site,
go to the UCAR site at http://rda.ucar.edu/)
- References:
Saha et al. 2010;
Saha et al. 2010 supplement
- NCEP/DOE AMIP-II (R2) (click)
- Period: January 1979 - present
- Format: netCDF
- References:
Kanamitsu et al. 2002
- NCEP/NCAR (R1) (click)
- Period: January 1948 - present
- Format: netCDF
- References:
Kalnay et al. 1996;
Kistler et al. 2001;
see also references for R2 and CFSR
- NOAA-CIRES 20CR (click)
- Period: January 1871 - December 2010 (for Version 2)
(1908-1958 for Version 1)
- Format: netCDF
- References:
Compo et al. 2011
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