CONUS parameterization

J

janac4

Member
Hello, I'm working with WRF in a domain placed in Central America with a 160x100 cell grid of 5 km x 5 km resolution, two way nested with a smaller domain of 1 km x 1 km resolution. I want to use CONUS parameterization in both domains, but have questions about cu_physics, since Tidke option (default in CONUS) isn't scale aware so I don't know if I should use option 6 in domain 1 and option 0 in domain 2. Any guidance in this topic would be great,
Jana.
 
Hi Jana,
Yes, you can do it that way. You can still set the physics_suite to CONUS, but then have an additional line that indicates the specific options for cu_physics. For e.g.,

Code: 
&physics
physics_suite = 'CONUS'
cu_physics = 6, 0
 
Thanks for your answer,
would you recommend me to do it anyway? I don't have much experience with this cumulus option and with a 1km resolution domain I'm not sure it would be better to turn it on or off.
 
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