Martin Rowley wrote:
"Joe Egginton" wrote in message
...

Could someone tell me what does the Theta A index measure and is used
for?


... in what context have you come across Theta-A? I have only heard of
Theta-E and Theta-W in the world of meteorology, but that doesn't mean
it doesn't exist ;-)

Martin.


Hello Martin,

I've noticed Theta A in the RAOB soundings labeling.
PRES HGHT TEMP DWPT RELH MIXR DRCT SKNT **THTA** THTE
hPa m C C % g/kg deg knot K K


--
Joe
Wolverhampton
175m asl