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Recommended dynamics options for 10km resolution

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U

userwrfch

Member
Hi,

I am running WRF 4.1.3 with ERA5 input data for a simulation of 20 years for two domains (d01: 30 km, d02: 10 km) over whole North America, and I struggle with finding appropriate dynamics options. I read that you have to change them for complex terrain, etc., which does not seem to be the case here for me with 10 km resolution. Hence, should I just leave all the default options? --> especially w_damping = 0, diff_6th_opt = 0 and diff_opt = 1?

I have a time step of d01: 180 s, d02: 60 s. Hence, is it correct that dampcoef should be 1/s and therefore
dampcoef = 0.0056, 0.0056 ?

Thanks a lot!
 
Hi,
If you are able to run without any errors, or the model stopping, the default settings should be ideal. If you start running into problems, let us know and we can take a closer look.
 
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