Saving TKE when using YSU PBL scheme in WRF

[blossom_]

I’m running WRF simulations using the YSU PBL scheme, and I was wondering if there is any way to output TKE (Turbulent Kinetic Energy) when using this scheme.

I understand that in earlier versions of WRF, TKE was not explicitly available or saved when using YSU, as it's a non-local scheme and does not prognose TKE like the MYJ or MYNN schemes. However, I wanted to check if:

1. WRF internally calculates or estimates TKE at any stage when YSU is used?
2. Is there any way (via Registry modifications, diagnostics, or additional namelist options) to output or reconstruct TKE even if it's not a prognostic variable in YSU?

 

[kwerner]

Hi,

Unfortunately there isn't a simple way to output TKE when using the YSU scheme. Your options are to use a different scheme that does output TKE, or to potentially make code modifications to add TKE into the YSU scheme, which would take a bit of time. If you're interested in that option, see this previous thread (my final post describes the process of modifying the code).