[RegCNET] cloud coverage

[giorgi]

Hi Gao

we usually use the random overlap assumption to be consistent with the 
model. It is a simple formula, and I think Bamba can give it to you,

cheers,  Filippo

> Dear all,
>
> The cloud coverage in RegCM is caculated and output in each vertical layers. Then if I want to know the total cloud cover, should I pick the maxima among the layers, or should I do average of the layers?
>
> Thanks ahead for your reply.
>
> Best regards,
>
> Gao

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