[gradsusr] Viewing TRMM_3B42_Daily: TRMM (TMPA) Precipitation L3 product in GrADS

[Vizy, Edward K]

Hi –

Hope someone could help me out.  I am trying to get the TRMM_3B42_Daily: TRMM (TMPA) Precipitation L3 1 day 0.25 degree x 0.25 degree V7 product from NASA to view in GrADS Version 2.1.a2 , but I am not having too much success with the netcdf-4 files.

For example, I am trying to open up one file: https://disc2.gesdisc.eosdis.nasa.gov/data/TRMM_L3/TRMM_3B42_Daily.7/1998/12/3B42_Daily.19981231.7.nc4
using GrADS.  The control file I have created is:

DSET ^./3B42_Daily.19981231.7.nc4
UNDEF -9999.9
XDEF 1440 LINEAR -179.875 0.25
YDEF 400 LINEAR -49.875 0.25
ZDEF 1 LEVELS 1 1
TDEF 1 LINEAR 31dec1998 1dy
VARS 8
precipitation=>r                       0 t,y,x     Daily accumulated precipitation  (mm/day)
precipitation_cnt=>r_c            0 t,y,x Count of valid 3-hr precipitation (count)
IRprecipitation=>irr                0 t,y,x Daily accumulated precipitation (IR) (mm/day)
IRprecipitation_cnt=>irr_c     0 t,y,x Count of valid 3-hr IR precipitation retrievals (count)
HQprecipitation=>hqr            0 t,y,x Daily accumulated High Quality precipitation (mm/day)
HQprecipitation_cnt=>hqr_c  0 t,y,x Count of valid 3-hr HQ precipitation retrievals (count)
randomError=>re                    0 t,y,x Daily total error (mm/day)
randomError_cnt=>re_c         0 t,y,x Count of valid 3-hr error retrievals for the day (count)
ENDVARS

Does anyone have a working script that they could pass along to me, or suggest any changes to the above control file to make it work?

Thanks,
Ned Vizy


______________________________________
Dr. Edward "Ned" Vizy
Research Scientist Associate V
Department of Geological Sciences
Jackson School of Geosciences
The University of Texas at Austin
Austin, TX 78712
______________________________________

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