Saturday, September 27, 2008

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 270821
SWOD48
SPC AC 270821

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0321 AM CDT SAT SEP 27 2008

VALID 301200Z - 051200Z

...POTENTIAL TOO LOW TO DELINEATE A SEVERE THREAT AREA...

MEDIUM RANGE FORECAST GUIDANCE SUGGESTS THAT THE AMPLIFIED UPPER
FLOW PATTERN DEVELOPING LATE THIS WEEKEND INTO EARLY NEXT WEEK MAY
PERSIST THROUGH MUCH OF THE WEEK BEFORE BEGINNING TO BREAK DOWN.
WITH SIGNIFICANT LOW-LEVEL MOISTURE LIKELY CONFINED TO THE FLORIDA
PENINSULA...NO STRONG SOUTHERLY RETURN FLOW OF MOISTURE OFF THE GULF
OF MEXICO PROGGED THROUGH AT LEAST EARLY NEXT WEEKEND...AND STEEP
MID-LEVEL LAPSE RATES GENERALLY CONFINED TO THE INTERMOUNTAIN
WEST...THE POTENTIAL FOR A REGIONAL SEVERE WEATHER OUTBREAK APPEARS
LOW THROUGH THIS PERIOD.

..KERR.. 09/27/2008

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