[gradsusr] Error while reading CMIP5 GFDL-ESM2M rainfall data

Kanhu Charan Pattnayak kcpattnayak at gmail.com
Thu Feb 20 08:56:33 EST 2014


Dear All,
I downloaded the GFDL-ESM2M rainfall data
(pr_Amon_GFDL-ESM2M_historical_r1i1p1_186101-186512.nc) from the following
website

http://clima-dods.ictp.it/data/d8/cordex/CMIP5/monthly/hist/GFDL-ESM2M/pr_Amon_GFDL-ESM2M_historical_r1i1p1_186101-186512.nc

But I am not able to open this file in grads.
The following errors are coming

While ncdump

ncdump -h pr_Amon_GFDL-ESM2M_historical_r1i1p1_200101-200512.nc
ncdump: pr_Amon_GFDL-ESM2M_historical_r1i1p1_200101-200512.nc: NetCDF:
Unknown file format


in GrADS

ga-> sdfopen pr_Amon_GFDL-ESM2M_historical_r1i1p1_200101-200512.nc
Scanning self-describing file:
 pr_Amon_GFDL-ESM2M_historical_r1i1p1_200101-200512.nc
Error: nc_open failed to open file
pr_Amon_GFDL-ESM2M_historical_r1i1p1_200101-200512.nc
NetCDF: Unknown file format
gadsdf: Couldn't ingest SDF metadata.

I also used control file(attached with this mail) still not able to plot
this data.

ga-> open test.ctl
Scanning description file:  test.ctl
Data file pr_Amon_GFDL-ESM2M_historical_r1i1p1_%ch.nc is open as file 1
LON set to 0 360
LAT set to -89 89
LEV set to 0 0
Time values set: 1861:1:15:12 1861:1:15:12
E set to 1 1
ga-> d pr
Cannot contour grid - all undefined values


Kindly suggest me how to use this data.

-- 
Kanhu Charan Pattnayak (Research Scholar)
Room No.311, Block - VI
Centre for Atmospheric Sciences
IIT Delhi, Hauz Khas
New Delhi - 110 016
India
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