SWODY3
SPC AC 070655
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0155 AM CDT WED OCT 07 2009
VALID 091200Z - 101200Z
...MID MS AND OH VALLEYS...
ECMWF/GFS SOLUTIONS ARE VERY SIMILAR IN EVOLUTION OF UPPER LOW
CURRENTLY OVER SOUTHERN CA. BOTH MODELS INDICATE THE SYSTEM WILL
BECOME PROGRESSIVE AND MOVE ACROSS THE SOUTHERN PLAINS AND INTO THE
MID/LOWER MS VALLEY DURING THE DAY3 PERIOD. SHOWERS AND
THUNDERSTORMS WILL LIKELY BE ONGOING FRIDAY MORNING AHEAD OF THE
UPPER SYSTEM AND ALONG THE COLD FRONT FROM IL/IND SOUTHWESTWARD INTO
NORTHEAST TX. THIS PRECIPITATION WILL SPREAD EASTWARD DURING THE
DAY INTO THE OH/TN VALLEYS. ISOLATED STRONG STORMS CAPABLE OF
GUSTY/DAMAGING WINDS WILL BE POSSIBLE ON FRIDAY ALONG/AHEAD OF THE
FRONT FROM AR INTO OH/WV. HOWEVER...RATHER WEAK INSTABILITY AND
DECREASING WINDS ALOFT SUGGEST THAT ONLY LOW SEVERE PROBABILITIES
ARE WARRANTED AT THIS TIME.
..HART.. 10/07/2009
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