Sunday, May 25, 2008

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 250902
SWOD48
SPC AC 250902

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0402 AM CDT SUN MAY 25 2008

VALID 281200Z - 021200Z

...DISCUSSION...
SEVERE THREAT APPEARS LIMITED DAY 4 /WED MAY 28/...BUT SHOULD
INCREASE DAYS 5 AND 6 AS A SHORT-WAVE TROUGH IS FORECAST TO BEGIN
CRESTING THE CENTRAL U.S. RIDGE DAY 5 /THU. MAY 29/ AND THEN MOVE
INTO THE UPPER MIDWEST DAY 6 /FRI. MAY 30/.

AS THE TROUGH MOVES TOWARD THE NRN HIGH PLAINS DAY 5...INCREASING
SHEAR AND AMPLE INSTABILITY NEAR AND E OF A LEE TROUGH SUGGESTS A
THREAT INTO THE NRN PLAINS. AS THE TROUGH SHIFTS EWD/SEWD DAY 6 --
INTO THE MID MO VALLEY AND THE UPPER MIDWEST ALONG WITH THE
ASSOCIATED SURFACE FRONT...ANOTHER DAY OF ACTIVE SEVERE WEATHER
APPEARS LIKELY -- WITH FAVORABLE SHEAR AND MODERATE INSTABILITY
LIKELY TO EXIST.

..GOSS.. 05/25/2008

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.

No comments: