SWODY1
SPC AC 270455
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1055 PM CST MON NOV 26 2007
VALID 271200Z - 281200Z
..NO SVR TSTM AREAS FORECAST...
..CENTRAL/SRN FL PENINSULA...
PROGRESSIVE FLOW PATTERN IS EXPECTED ACROSS THE U.S TODAY. A LEAD
UPPER TROUGH WILL TRACK NEWD FROM NEW ENGLAND INTO THE CANADIAN
MARITIMES...WITH THIS SYSTEM FOLLOWED BY UPSTREAM TROUGH MOVING FROM
THE GREAT LAKES/OH VALLEY THROUGH THE NERN STATES. MEANWHILE...IN
THE WEST...A LARGE SCALE UPPER TROUGH MOVING INTO THE PACIFIC NW BY
12Z TODAY WILL AMPLIFY SEWD ACROSS THE INTERMOUNTAIN WEST AND EXTEND
FROM THE NRN PLAINS TO FOUR CORNERS REGION BY 12Z WEDNESDAY.
AT THE SURFACE...COLD FRONT ATTENDANT TO LEAD UPPER TROUGH AND
INITIALLY TRAILING WWD ACROSS NRN FL IS EXPECTED TO MOVE SWD THROUGH
THE PENINSULA TODAY AND THEN STALL OVER SRN FL LATE TONIGHT/EARLY
WEDNESDAY. DESPITE A MOIST PRE-FRONTAL AIR MASS...WEAK LAPSE RATES
AND INSTABILITY ARE EXPECTED TO LIMIT TSTM DEVELOPMENT AND ANY
SEVERE WEATHER THREAT AS THE FRONT MOVES SWD.
.PETERS/LEVIT.. 11/27/2007
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