SWODY3
SPC AC 250657
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1257 AM CST SUN NOV 25 2007
VALID 271200Z - 281200Z
..NO SVR TSTM AREAS FORECAST...
..SYNOPSIS AND FORECAST...
AMPLIFICATION TO LONG WAVE PATTERN IS FORECAST DURING THE DAY THREE
PERIOD AS SHORT WAVE TROUGH OVER PACIFIC NW INTO THE NRN
INTERMOUNTAIN REGION DIGS SEWD INTO THE GREAT BASIN AND CNTRL
ROCKIES. IN THE LOW LEVELS...COLD FRONT INITIALLY FROM THE UPPER MS
VALLEY INTO NRN ROCKIES WILL PUSH SWD INTO THE MIDWEST WWD INTO THE
CNTRL ROCKIES AND GREAT BASIN BY WEDNESDAY MORNING. ELSEWHERE...
COLD FRONT ASSOCIATED WITH UPPER TROUGH MOVING OFF THE ATLANTIC
COAST IS FORECAST TO WEAKEN WHILE MOVING SWD THROUGH THE FL
PENINSULA.
AIR MASS AHEAD OF THIS WEAKENING FRONT OVER FL WILL BE
MOIST...HOWEVER POOR MID-LEVEL LAPSE RATES WILL LIMIT CONVECTIVE
INSTABILITY AND NO SEVERE WEATHER IS EXPECTED. OTHERWISE...AIR MASS
WILL REMAIN COOL AND QUITE DRY AHEAD OF PRIMARY COLD FRONT MOVING
SWD THROUGH THE NRN/CNTRL PLAINS AND UPPER MS VALLEY WITH NO TSTM
DEVELOPMENT FORECAST.
.MEAD.. 11/25/2007
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