SWODY1
SPC AC 080545
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1245 AM CDT WED APR 08 2009
VALID 081200Z - 091200Z
...NO SVR TSTM AREAS FORECAST...
...EASTERN GREAT BASIN/INTERMOUNTAIN WEST...
EASTWARD ADVANCING UPPER LOW AND ASSOCIATED LEFT EXIT REGION OF
UPPER JET CROSSING THE SOUTHERN ROCKIES...COMBINED WITH OROGRAPHIC
LIFT/MODEST HEATING...WILL FAVOR A BROAD AREA OF ISOLATED TSTM
POTENTIAL TODAY ACROSS THE INTERMOUNTAIN WEST/ROCKIES. SOME SMALL
HAIL COULD OCCUR THIS AFTERNOON IN CLOSE PROXIMITY TO THE UPPER
LOW...MAINLY PORTIONS OF WESTERN/SOUTHERN WY...BUT SEVERE TSTMS ARE
NOT EXPECTED.
...OHIO VALLEY TO CENTRAL/SOUTHERN APPALACHIANS...
CLIPPER-TYPE IMPULSE AMIDST NORTHWESTERLY FLOW ALOFT...IN
CONJUNCTION WITH A WEAK SURFACE LOW/TROUGH...WILL FOCUS THE
DEVELOPMENT OF LOW-TOPPED CONVECTION LATE THIS
AFTERNOON/EVENING...LARGELY CENTERED ON EASTERN KY. AS SUGGESTED BY
00Z GFS/NAM FORECAST SOUNDINGS...MODEST BOUNDARY LAYER HEATING/COLD
THERMAL PROFILES ALOFT SHOULD FAVOR CONVECTION OF SUFFICIENT DEPTH
FOR CHARGE SEPARATION AND THE POSSIBILITY OF ISOLATED TSTMS.
..GUYER/SMITH.. 04/08/2009
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.
No comments:
Post a Comment