Sunday, December 13, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 131622
SWODY1
SPC AC 131620

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1020 AM CST SUN DEC 13 2009

VALID 131630Z - 141200Z

...NO SVR TSTM AREAS FORECAST...

...SERN STATES...
DEAMPLIFYING MID/UPPER LEVEL TROUGH WILL CONTINUE ENEWD ACROSS MUCH
OF THE EAST COAST TODAY...WITH INCREASING SWLY LOW LEVEL FLOW AND
RESULTANT WAA EVOLVING FROM THE SERN U.S. INTO THE MID ATLANTIC AND
NORTHEAST. STATIONARY SURFACE FRONT WILL LIKELY REMAIN IN PLACE
FROM THE ERN CAROLINAS INTO THE CENTRAL/NERN GULF COAST REGION...AND
A FEW THUNDERSTORMS MAY PERSIST ALONG THE SRN PORTION OF THIS
BOUNDARY. OTHERWISE...STRENGTHENING LOW LEVEL WAA SHOULD ALLOW
EMBEDDED...ELEVATED THUNDERSTORM DEVELOPMENT WITHIN BROAD AREA OF
MOIST CONVECTION ATOP COOL/STABLE SURFACE AIR. OVERALL SEVERE THREAT
WILL REMAIN QUITE LIMITED.

..EVANS.. 12/13/2009

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