Re: Hot Towers over Alabama
Posted by
JAC on 5/2/2011, 12:39 pm
What is very interesting, the surface low was only 996mb. That barely was advecting moisture up from the GOM.
When round 3 was developing, I saw a large helicity bulls-eye over SE TN.
The 500mb shortwave just barely went negative tilt.
I have seen setups before, where the tilt was much more negative and there was a bigger GOM in-feed, yet the outcome was nothing like this.
I think the key was the strong helicity. That can be driven from a sudden drop in the tropopause height which forces potential voriticity (PV) close to the surface.
|
46
In this thread:
Hot Towers over Alabama -
JAC,
5/2/2011, 9:09 am Post A Reply
This thread has been archived and can no longer receive replies.