SWODY2
SPC AC 090524
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1224 AM CDT TUE OCT 09 2007
VALID 101200Z - 111200Z
..NO SVR TSTM AREAS FORECAST...
..NC AND SC COASTAL AREAS...
UPPER LOW OVER MN WILL AMPLIFY SEWD THROUGH THE OH VALLEY THIS
PERIOD. EARLY WEDNESDAY AN OCCLUDED FRONT WILL EXTEND FROM A SURFACE
LOW OVER THE LOWER GREAT LAKES SEWD INTO THE NERN U.S. WITH A COLD
FRONT FROM THE MID ATLANTIC SWWD THROUGH THE ERN CAROLINAS...GULF
COASTAL AREA AND S TX. THE FRONT WILL SHIFT SEWD AND OFF THE
ATLANTIC SEABOARD DURING THE DAY. AN AXIS OF MARGINAL TO MODERATE
INSTABILITY WILL BE POSSIBLE ALONG PRE-FRONTAL MOIST AXIS OVER THE
SERN U.S. COAST AS THE BOUNDARY LAYER WARMS...AND A FEW STORMS MAY
DEVELOP IN THIS REGION BEFORE THE FRONT MOVES OFFSHORE. WEAK MID
LEVEL LAPSE RATES AND LIKELIHOOD THAT STRONGER DEEP LAYER FLOW WILL
REMAIN IN POST FRONTAL ENVIRONMENT SUGGEST SEVERE THREAT WILL BE
LOW.
..NM...
POTENTIAL FOR WEAK IMPULSES TO MOVE INTO THE SWRN U.S. WILL PERSIST
INTO WEDNESDAY. MID LEVEL ASCENT ASSOCIATED WITH THESE FEATURES AND
SURFACE HEATING WILL CONTRIBUTE TO ISOLATED THUNDERSTORMS DURING THE
AFTERNOON OVER THE HIGHER TERRAIN. STEEPENING LAPSE RATES MAY RESULT
IN ISOLATED STRONG WIND GUSTS WITH SOME STORMS. HOWEVER...WEAK
INSTABILITY AND A MARGINAL KINEMATIC ENVIRONMENT WILL LIMIT SEVERE
THREAT.
.DIAL.. 10/09/2007
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