PPRuNe Forums - View Single Post - Estimating cloud base while on the ground
Old 21st Oct 2012, 17:52
  #29 (permalink)  
24Carrot
 
Join Date: Jan 2008
Location: London UK
Posts: 517
Likes: 0
Received 0 Likes on 0 Posts
I had forgotten about this thread.

I found my 80 x (100-RH) could be improved slightly by adding 300 ft. Perhaps this reflects mixing of the atmosphere near the surface.

Cloudbase = 300 + 80 x (100-RH) ft

It remains a very approximate formula!
24Carrot is offline