Ideal cases: WRF V4.7.1

W

wcheng

Member
I have a question about ideal cases (e.g., tropical cyclone) for V4.7.1. Since for newer versions of WRF,
use_theta_m = 1 by default. This means the prognostic variable is the perturbation moist potential temperature
(theta_m).

In the namelist.input for em_tropical_cyclone, I don't see use_theta_m = 0 as
module_initialize_tropical_cyclone.F still used dry potential temperature.

Should we set use_theta_m = 0? Thanks.
 
The default value of use_theta_m is 1. The dry potential temperature is turned to moist potential temperature at the initialization.

Thereby, it is not necessary to set use_theta_m = 0
 
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