ISAM-5.3.2 run normally, but ISAM-5.3.3 doesn't

CMAQ-ISAM
1

Hello everyone,

I run a ISAM-5.3.3 task, SA_CGRID file of first day was created but not for the second day. And I got error message ‘Could not extract ISAM_PREVDAY’ in LOG file.
But everything was fine when I using ISAM-5.3.2 with basic exact run scrpit.
Does anybody knows why?

Yunqing
CTM_LOG_000.v533_ISAM_intel_d03_20210729.txt (22.9 KB)

2

Is this log file for the first day of a CMAQ run?

CMAQ-ISAMv5.3.3 is expecting a previous day file.

You have the previous day file set to
“ISAM_PREVDAY” opened as OLD:READ-ONLY
File name “/home/caoyq/CMAQ-5.3.3/CMAQ-5.3.3_ISAM/CCTM/scripts/output/2021-07-27/d03/CCTM_SA_CGRID_20210728.nc”
File type GRDDED3
Execution ID “CMAQ_CCTMv533_ISAM_caoyq_20211119_002302_128156696”
Grid name “d03”
Dimensions: 205 rows, 271 cols, 34 lays, 648 vbles
NetCDF ID: 917504 opened as READONLY
Starting date and time 2021210:000000 (0:00:00 July 29, 2021)
Timestep 010000 (1:00:00 hh:mm:ss)
Maximum current record number 0
Number of Emissions Layers: 14
out of total Number of Model Layers: 34

It is named with the previous date, but the netCDF metadata show that it is for the current date.

I believe that is why you are getting this error:

—>> WARNING in subroutine RDTFLAG
Error reading netCDF time step flag for ISAM_PREVDAY
M3WARN: DTBUF 0:00:00 July 29, 2021 (2021210:000000)

 >>--->> WARNING in subroutine XTRACT3
 Time step not available for file:  ISAM_PREVDAY
 M3WARN:  DTBUF 0:00:00   July 29, 2021 (2021210:000000)


 *** ERROR ABORT in subroutine retrieve_time_de on PE 000
 Could not extract ISAM_PREVDAY                             file

PM3EXIT: DTBUF 0:00:00 July 29, 2021
Date and time 0:00:00 July 29, 2021 (2021210:000000)

If you are starting a new run, then you need to use the following syntax that is available in the benchmark run script for CMAQv5.3.3. This sets ISAM_PREVDAY to null if this is the first day of the model run.

#> Set Up ISAM Initial Condition Flags
       if ($NEW_START == true || $NEW_START == TRUE ) then
          setenv ISAM_NEW_START Y
          setenv ISAM_PREVDAY
       else
          setenv ISAM_NEW_START N
          setenv ISAM_PREVDAY "$OUTDIR/CCTM_SA_CGRID_${RUNID}_${YESTERDAY}.nc"
       endif
3

Dear lizadams,

The log file was for the entire 12 days, there’s nothing wrong with first day’s SA_CGRID file. The second SA_GRID file was created but nothing write to it at the end of second day’s simulation.
And the date(2021-07-27) in the OUTDIR has nothing to do with SA_GRID_${YESTERDAY}, the evidence is that I use the same run script in CMAQ-5.3.2, the simulation run perfectly, but stop in CMAQ-5.3.3.

Yunqing