SWODY3
SPC AC 090830
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0230 AM CST MON JAN 09 2012
VALID 111200Z - 121200Z
...SYNOPSIS...
WHILE AN UPPER LOW SHIFTS ENEWD ACROSS THE SOUTHEAST U.S. AND
WEAKENS...A STRONGER TROUGH WILL CONTINUE SHIFTING ESEWD ACROSS THE
N CENTRAL CONUS -- BRINGING WITH IT A REINFORCING SURGE OF MUCH
COLDER LOW-LEVEL AIR. ELSEWHERE...A CLOSED UPPER LOW WILL CONTINUE
TO LINGER/DRIFT S OFF THE CA COAST.
...CENTRAL AND ERN FL PANHANDLE/SERN AL/SWRN GA...
AS THE SURFACE LOW ASSOCIATED WITH THE WEAKENING UPPER SYSTEM SHIFTS
ACROSS THE MID SOUTH REGION HEADED TOWARD THE MID-ATLANTIC
COAST...SOME LINGERING THREAT FOR ROTATING CELLS -- AND THUS AN
ISOLATED TORNADO -- MAY EXIST EARLY IN THE PERIOD ACROSS A PORTION
OF THE FL PANHANDLE AND NWD INTO ADJACENT SERN AL/SWRN GA.
HERE...SELY FLOW OFF THE ERN GULF SHOULD SUPPORT BOTH INLAND FLUX OF
GULF MOISTURE AND FAVORABLE LOW-LEVEL SHEAR PROFILES...UNTIL THE
FRONT SHIFTS EWD AND SURFACE TRAJECTORIES ORIGINATE MORE FROM THE FL
PENINSULA RATHER THAN THE ERN GULF -- THUS LIMITING THE THREAT
FARTHER E.
...COASTAL CAROLINAS...
AS THE SURFACE LOW PROGRESSES E OF THE APPALACHIANS...ESELY
LOW-LEVEL FLOW OFF THE GULF STREAM MAY ALLOW MEAGER CAPE TO DEVELOP
OVER THE COASTAL CAROLINAS -- MAINLY FROM LATE AFTERNOON ONWARD. AS
THIS INFLUX OF HIGHER THETA-E AIR COMBINES WITH INCREASING LOW-LEVEL
SHEAR...LOW-END TORNADO POTENTIAL MAY EVOLVE ACROSS PORTIONS OF THE
COASTAL PLAIN. THIS THREAT WILL LINGER THE COLD FRONT MOVES
OFFSHORE OVERNIGHT.
..GOSS.. 01/09/2012
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