metgrid.exe error: The mandatory field UU was not found in any input data

[jshn9515]

Hi, I'm new on WRF and WPS. I wanted to use metgrid.exe to process my data, so I modified namelist.wps, and both geogrid.exe and ungrid.exe worked fine. But when I ran metgrid.exe, I received following errors:

Processing domain 1 of 1
Processing 2023-10-04_00
WPS4.11S./metgrid.exe
FILE
Processing 2023-10-04_06
FILE
Processing 2023-10-04_12
EILE
Processing 2023-10-04_18
FILE
Processing 2023-10-05_00
FILE
ERROR: The mandatory field UU was not found in any input data.
Abort(66888272) on node 0 (rank 0 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, 66888272) - process 0

The data is from NCEP GFS 0.25 Degree Global Forecast Grids Historical Archive, namelist.wps and metgrid.log are attached below.
I have no idea what's going on here, thanks for your reply!

 

[Ming Chen]

This error message indicates that there is no upper air data available in your intermediate file. Please download GFS data from NCAR archive,

NCAR RDA Dataset ds084.1

NCAR RDA

rda.ucar.edu

Then rerun ungrib and metgrid.exe. Let me know if you still have issues.

 

[jshn9515]

Sorry for the late reply.
I downloaded the datasets again and reran the geogrid.exe and ungrid.exe. This resolved the error. I suspect there was something wrong during these two processes. Thank you!