SWODY2
SPC AC 300637
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1237 AM CST TUE DEC 30 2008
VALID 311200Z - 011200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS...
AN UPPER SHORT-WAVE TROUGH IS FORECAST TO CROSS THE ERN CONUS AND
MOVE OFFSHORE THIS PERIOD...WHILE A SECOND WILL MOVE EWD ACROSS THE
NWRN CONUS INVOF THE INTERNATIONAL BORDER.
AT THE SURFACE...A LOW INITIALLY FORECAST INVOF PA -- AND THE
ASSOCIATED/TRAILING COLD FRONT ACROSS THE E COAST STATES -- WILL
MOVE QUICKLY OFF THE ATLANTIC COAST/SWD INTO THE GULF OF MEXICO
EARLY IN THE PERIOD AHEAD OF THE ASSOCIATED FEATURE ALOFT.
MEANWHILE....FALLING SURFACE PRESSURE IS EXPECTED LATER IN THE
PERIOD E OF THE ROCKIES AS THE WRN UPPER FEATURE APPROACHES.
SHOWERS AND AN ISOLATED THUNDERSTORM MAY OCCUR INVOF S TX...AS THE
COLD FRONT SHIFTING SWD ACROSS THE GULF SLOWS/LINGERS OVER NRN
MEXICO. ANTICIPATED MINIMAL COVERAGE PRECLUDES THE INTRODUCTION OF
A 10% THUNDER AREA. ELSEWHERE...THUNDERSTORMS ARE NOT ANTICIPATED.
..GOSS.. 12/30/2008
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