[Wrf-users] Running ungrib.exe with ECMWF T511 Nature Run

[Kemp, Eric M (IS)]

Dear WRF Users:

I am attempting to run WRF-ARW v3.1 using the ECMWF T511 Nature Run for ICs and LBCs.  (Information on this dataset is available at http://www.emc.ncep.noaa.gov/research/JointOSSEs/data/).  Unfortunately ungrib.exe fails with this error message:

 Originating center is           98
 Grid ID is          255  Only WAFS grids 37-44 are supported
 ***** STOP in Subroutine RD_GRIB1.

Based on the source code, ungrib.exe thinks this is a "thinned" WAFS grid (it uses nx=65535 as the criteria), and it clearly isn't.  I don't believe anything is wrong with the GRIB data, as I can process it with PyNGL.  So this looks like a bug in ungrib.exe.

Does anyone have a solution?

-Eric

Eric M. Kemp
Meteorologist
Northrop Grumman Information Systems
Advisory Services Division (TASC)
4801 Stonecroft Boulevard
Chantilly, VA 20151
301-286-9768              (NASA Goddard Office)
703-633-8300 x7078 (Chantilly SLEET Lab)
703-633-8300 x8278 (Chantilly Office)
703-449-3400              (Chantilly Fax)

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