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Questions about "force_use_old_data"

Arya

New member
When running wrf.exe, if I set "force_use_old_data = F" in the namelist.input, it will say:

start_domain_em: numgas = 5
mediation_integrate.G 1944 DATASET=HISTORY
mediation_integrate.G 1945 grid%id 1 grid%oid 1
Timing for Writing wrfout_d01_2021-04-19_00:00:00 for domain 1: 0.30128 elapsed seconds
mediation_integrate: med_read_wrf_chem_emissions: Read emissions for time 2021-04-19_00:00:00
mediation_integrate: med_read_wrf_chem_emissions: Open file wrfchemi_d01_2021-04-19_00:00:00
d01 2021-04-19_00:00:00 Error trying to read metadata
d01 2021-04-19_00:00:00 File name that is causing troubles = wrfchemi_d01_2021-04-19_00:00:00
d01 2021-04-19_00:00:00 You can try 1) ensure that the input file was created with WRF v4 pre-processors, or
d01 2021-04-19_00:00:00 2) use force_use_old_data=T in the time_control record of the namelist.input file
-------------- FATAL CALLED ---------------
FATAL CALLED FROM FILE: <stdin> LINE: 332
---- ERROR: The input file appears to be from a pre-v4 version of WRF initialization routines
-------------------------------------------
-------------- FATAL CALLED ---------------
FATAL CALLED FROM FILE: <stdin> LINE: 332
---- ERROR: The input file appears to be from a pre-v4 version of WRF initialization routines
-------------------------------------------
Note: The following floating-point exceptions are signalling: IEEE_UNDERFLOW_FLAG IEEE_DENORMAL

Should I set "force_use_old_data = T"?

Yours truly,
Arya
 
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