SWOD48
SPC AC 290858
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0358 AM CDT WED AUG 29 2007
VALID 011200Z - 061200Z
MEDIUM RANGE MODELS FLATTEN AN UPPER-LEVEL RIDGE OVER THE WRN AND
CNTRL STATES OVER THE WEEKEND AND MOVE A FRONT SLOWLY SWD ACROSS THE
GULF COAST STATES AND SRN PLAINS. THUNDERSTORMS SHOULD DEVELOP ALONG
AND SOUTH OF THE BOUNDARY EACH DAY THROUGH EARLY NEXT WEEK.
HOWEVER...WEAK VERTICAL SHEAR SHOULD KEEP THE SEVERE POTENTIAL LOW
ACROSS THE REGION. EARLY NEXT WEEK MODEL FORECASTS BRING LOW-LEVEL
MOISTURE NWD INTO THE NRN PLAINS AND UPPER MIDWEST. MID-LEVEL FLOW
OVER THIS REGION MAY BE ENOUGH FOR THE DEVELOPMENT OF ISOLATED OR
SCATTERED SEVERE STORMS MAINLY TUESDAY/DAY 7 AND WEDNESDAY/DAY 8.
HOWEVER...MODEL RELIABILITY AND CONFIDENCE REMAINS LOW ATTM.
.BROYLES.. 08/29/2007
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