SWODY3
SPC AC 280730
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0230 AM CDT TUE AUG 28 2007
VALID 301200Z - 311200Z
..NO SVR TSTM AREAS FORECAST...
AN UPPER-LEVEL TROUGH OVER ONTARIO AND THE GREAT LAKES WEDNESDAY
NIGHT WILL MOVE SLOWLY EWD WITH RELATIVELY WEAK NWLY MID-LEVEL FLOW
IN PLACE ACROSS THE MS VALLEY REGION. A COMPLEX FRONT SHOULD BE
LOCATED FROM THE OH VALLEY EXTENDING SWWD INTO THE OZARK REGION AND
SRN PLAINS. SCATTERED TO NUMEROUS THUNDERSTORMS SHOULD DEVELOP ALONG
THE BOUNDARY AND ACROSS THE WARM SECTOR THURSDAY AFTERNOON. MODEL
FORECASTS SHOW WEAKER INSTABILITY AHEAD OF THE BOUNDARY THAN ON
PREVIOUS DAYS. IN ADDITION...LARGE SCALE ASCENT AND VERTICAL SHEAR
SHOULD ALSO BE RELATIVELY WEAK ACROSS THE WARM SECTOR. FOR THESE
REASONS...ORGANIZED SEVERE STORMS DO NOT APPEAR LIKELY ACROSS THE
SRN AND ECNTRL U.S. DURING THE DAY 3 PERIOD.
.BROYLES.. 08/28/2007
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