Thursday, May 3, 2007

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 030851
SWOD48
SPC AC 030851

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0351 AM CDT THU MAY 03 2007

VALID 061200Z - 111200Z

..DISCUSSION...
MEDIUM RANGE MODELS APPEAR TO BE IN GENERAL AGREEMENT WITH WRN U.S.
LONGWAVE TROUGH WEAKENING DURING DAYS 4 AND 5 /SUN AND MON/...BUT
DIFFER BEYOND DAY 5 IN THE TIMING OF THIS TROUGH AS IT BECOMES MORE
PROGRESSIVE BY THE MIDDLE OF NEXT WEEK. A COUPLE OF SHORT WAVE
TROUGHS ARE EXPECTED TO TRACK NNEWD ACROSS WRN PARTS OF THE SRN/
CENTRAL PLAINS ON DAYS 4 AND 5. AVAILABLE INSTABILITY AND DEEP
LAYER SHEAR WILL BE SUPPORTIVE OF SEVERE STORMS DURING DAY 4 /SUN
MAY 6TH/ ACROSS THIS AREA...WITH THIS THREAT POTENTIALLY CONTINUING
INTO DAY 5 /MON MAY 7TH/...BUT MAINLY ACROSS W TX.

BEYOND DAY 5...MODEL UNCERTAINTIES WITH TIMING OF UPPER TROUGH AS IT
BECOMES PROGRESSIVE WILL PRECLUDE INCLUSION OF A REGIONAL SEVERE
WEATHER THREAT AREA ACROSS THE PLAINS.

.PETERS.. 05/03/2007

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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 chris@lib.siu.edu.

No comments: