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WRFDA 3DVar: an_date Stuck at 2002-08-03 (Hardcoded Default) Despite Correct Namelist Configuration

zzWW313

New member

1. Core Problem​

Running WRFDA 3DVar:
  • xb_date (fg file time) = 2025-08-01_00:00:00 (correct, program recognizes fg file)
  • an_date (analysis date) = hardcoded 2002-08-03_00:00:00 → fatal time mismatch error (da_setup_firstguess_wrf.inc LINE 49)

2. Environment​

  • System: Ubuntu (VMware), WRFDA 3DVar (var4d=.false.), MPI parallel (dmpar)
  • Only namelist.input in run dir (backups moved, no Windows line breaks via dos2unix)
  • MPI/env/permissions all OK (program starts normally, no MPI_ABORT)

3. Failed Fixes​

  1. Added analysis_date='2025-08-01_00:00:00' in &wrfvar
  2. Split time params in &wrfvar: analysis_year=2025, analysis_month=8, analysis_accu=0 (no leading zeros)
  3. Aligned &time_control start time with fg file (start_year=2025 etc.)
  4. Verified &wrfvar module is unparsed (custom tag not in logs)

4. Key Questions​

  1. Why is &wrfvar module unparsed in WRFDA versions, making an_date stuck at 2002-08-03?
  2. Any compilation/code settings to enable &wrfvar parsing?
  3. 1772716499185.png
 
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