Hi I’m having an issue with CMAQ reading in the second day’s Emissions file. The first day (2019243) runs fine, but for the second day I get this error: Processing Day/Time [YYYYDDD:HHMMSS]: 2019244:000000 Which is Equivalent to (UTC): 0:00:00 Sunday, Sept. 1, 2019 Time-Step Length (HHMMSS): 0…

The CMAQ run script that EPA distributes is set up for multiple executions of the model, with each run being 24 hours. You have set NSTEPS to 1440000, or 144 hours, equal to 6 days. It is possible to do a single execution for 6 days (or far longer), but you need to have all your meteorology, emissio…

CMAQ fails with 2nd day EMIS file

CMAQ

lizadams June 11, 2020, 3:21pm 2

If you are using CMAQv5.3, then this issue contains a discussion about the error, and the best fix is to upgrade to CMAQv5.3.1. Incorrect timestepping for elevated point source emissions

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CMAQ fails with 2nd day EMIS file

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