Dudhia bug in WRF 4+

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Dudhia bug in WRF 4+

Postby skontos » Sat Jan 04, 2020 7:29 am

Dear all,

I experienced an issue with the WRF 4+. I'm running operationally WRF 4.1.1 since July 2019 normally. After 16 of December i started taking strange results, like the tiles were messed up within my domain, for variables related to radiation (GLW, OSR), temperature (T2, TH2) and heat fluxes (HFX). I tested also the WRF 4.1.2 and 4.1.3, with no luck.

Eventually the problem seems to be realtated with the SW Dudhia scheme (ra_sw_physics=1). I solved it by changing it to RRTMG.

Another strange thing is that the problem seems to appear between Dec.16 and Feb. 14. I saw this while i ran the year 2015.

Has anyone else experienced such thing?

Best regards,
skontos
 
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