Reduce the constant used to create rain number concentration from cloud-water autoconversion#1483
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…ud-water autoconversion to be consistent with WRF.
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Reduce the constant used to create rain number concentration from cloud-water autoconversion to be consistent with WRF for Thompson microphysics.
Here's the value used in WRF:
https://github.com/wrf-model/WRF/blob/06d4240ae989cc3e50af412bb472df3d9048783c/phys/module_mp_thompson.F#L2191
A value of 200 results in reduced warm-rain precipitation, particularly along the Pacific coast. Testing done by Trude Eidhammer.