SWODY1
SPC AC 191629
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1029 AM CST SAT DEC 19 2009
VALID 191630Z - 201200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS...
EAST COAST CYCLONE/BOMB FORECAST TO REMAIN ON OFFSHORE TRACK FROM
EAST OF DELMARVA TO EAST OF LONG ISLAND THROUGH EARLY SUNDAY.
CONTINENTAL POLAR AIR MASS AND STABLE CONDITIONS BLANKET MUCH OF THE
REST OF CONUS AND WILL PRECLUDE TSTM DEVELOPMENT.
INTENSE DYNAMICS/ASCENT ASSOCIATED WITH THE NOREASTER...ACTING ON
POCKETS OF WEAK INSTABILITY...COULD LEAD TO SPORADIC/BRIEF
THUNDERSNOW. THIS WAS RECENTLY INDICATED IN AN OBSERVATION FROM
QUANTICO VA (KNYG). THIS ACTIVITY WILL LIKELY REMAIN SHORT-LIVED AND
TOO LIMITED IN AREAL COVERAGE TO WARRANT A TSTM OUTLOOK.
..CARBIN.. 12/19/2009
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