SWODY3
SPC AC 210828
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0228 AM CST WED NOV 21 2007
VALID 231200Z - 241200Z
..NO SVR TSTM AREAS FORECAST...
..SYNOPSIS...
SHORT-WAVE MID-LEVEL TROUGH WILL CONTINUE MOVING EWD ACROSS THE NERN
U.S. AND EVENTUALLY OFF THE NEW ENGLAND COAST.
MEANWHILE...SHORTWAVE TROUGH/LOW WILL CONTINUE DIGGING SWD INTO THE
DESERT SW THROUGH THE PERIOD.
AT THE SURFACE...COLD FRONT WILL CONTINUE DRIFTING SWD ACROSS
FL...LIKELY VACATING THE FL PENINSULA BY EVENING. MEANWHILE...A
LARGE AREA OF HIGH PRESSURE WILL PREVAIL ACROSS THE CONUS IN THE
WAKE OF THIS FRONT.
WHILE A FEW SHOWERS AND PERHAPS A LIGHTNING STRIKE MAY OCCUR INVOF
THE FRONT AS IT MOVES SWD ACROSS THE FL PENINSULA...MEAGER
INSTABILITY PRECLUDES ANY SEVERE THREAT. ELSEWHERE...WARM ADVECTION
MAY SUPPORT ELEVATED SHOWERS AND A FEW THUNDERSTORMS OVER S
TX...WHILE WEAK CONVECTION IS ALSO ANTICIPATED ACROSS AZ AND PARTS
OF NM NEAR THE UPPER LOW/TROUGH.
.GOSS.. 11/21/2007
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