Friday, May 4, 2007

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 041731
SWOD48
SPC AC 041730

DAY 4-8 CONVECTIVE OUTLOOK RESENT 1
NWS STORM PREDICTION CENTER NORMAN OK
1230 PM CDT FRI MAY 04 2007

VALID 071200Z - 121200Z

..SRN PLAINS/MID MS VALLEY...
MEDIUM RANGE MODELS ARE SOMEWHAT IN AGREEMENT EARLY NEXT WEEK MOVING
A GREAT PLAINS TROUGH SLOWLY EWD INTO THE MS VALLEY REGION BY THE
MIDDLE PART OF NEXT WEEK. A COLD FRONT IS FORECAST TO BE IN PLACE
FROM THE MID MS VALLEY SUNDAY EXTENDING SWWD INTO THE SRN PLAINS. AS
THE UPPER-TROUGH MOVES EWD...SFC HIGH PRESSURE MAY BECOME DOMINANT
ACROSS MUCH OF THE PLAINS STATES. HOWEVER...MOISTURE AND INSTABILITY
SHOULD BE PRESENT ALONG AND AHEAD OF THE BOUNDARY. THIS SHOULD
RESULT IN A CHANCE OF THUNDERSTORMS WITH SOME SEVERE STORMS POSSIBLE
DURING THE EARLY TO MIDDLE PORTION OF NEXT WEEK. UNCERTAINTIES ARE
TOO HIGH TO PINPOINT SPECIFIC AREAS FOR AN ENHANCED SEVERE WEATHER
THREAT ATTM.

.BROYLES.. 05/04/2007

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