How does UPP calculate low and high cloud amounts for WRF files

Submitted by gaozhibo on Thu, 06/23/2022 - 03:52
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Hi wonderful UPP help

 

At present, I use UPP to do researches on clouds. I use UPP to calculate low clouds and high clouds cover output by WRF model, and I want to know how these two variables are defined in UPP. 

 

Thank you vey much 

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Submitted by hertneky on Fri, 06/24/2022 - 17:09

There is a FAQ on the 'UPP for WRF' Forum, but it is down for maintenance, so I am not sure the link will work until it is back up https://forum.mmm.ucar.edu/threads/what-are-the-levels-used-for-low-mid-high-cloud-layers.9210/

Here are the definitions in case it does not work:

The cloud layers for WRF are defined by:
Low: ≥ 642 hPa
Mid: ≥ 350 hPa
High: <350 hPa

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