[CF-metadata] Standard name for fog as area fraction

From: Jonathan Gregory <j.m.gregory>
Date: Tue, 6 Aug 2013 16:27:08 +0100

Dear Heiko

> fog_area_fraction:
>
> fog means visibility in air < 1000m due to humidity or water
> droplets. "X_area_fraction" means the fraction of horizontal area
> occupied by X.

Seems fine to me. If there was a need to specify the visibility_in_air which
defines fog, that could be done with a size-one or scalar coord var.

Best wishes

Jonathan
Received on Tue Aug 06 2013 - 09:27:08 BST