How to calculate total cloud volume based on CLDFRA, cfrac?

[Jelly]

Add up the layers directly?

 

[LluisFB]

You need to assume random overlaping along the vertical within the column
You can have a look into the WRF-CORDEX module, were there the diagnostic is already implemented in WRF:

CDXWRF - Wikicima

wiki.cima.fcen.uba.ar

Hope it helps,

Lluís

 

[Jelly]

THANK YOU！