ACUS02 KWNS 011652
SWODY2
SPC AC 011651
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1051 AM CST SUN DEC 01 2013
VALID 021200Z - 031200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS...
A LEADING SHORTWAVE TROUGH WILL DEPART THE SERN U.S. QUICKLY AS A
MORE INTENSE TROUGH DEVELOPS ACROSS THE WRN STATES. IN ANTICIPATION
OF THE WRN TROUGH...STRONG ZONAL FLOW WILL DEVELOP FROM THE GREAT
BASIN EWD ACROSS THE ROCKIES WITH INITIAL UPPER LOW DEEPENING LATE
ACROSS THE NRN HIGH PLAINS.
AT THE SURFACE...A PLUME OF NEAR 60F DEWPOINTS WILL EXIST FROM ERN
TX INTO THE LOWER MS VALLEY...DRAWN NWD BY THE PRECEDING TROUGH.
HOWEVER...GIVEN LACK OF FORCING FOR ASCENT...AND VERY LOW LEVELS OF
INSTABILITY...IT APPEARS THERE WILL BE LITTLE THREAT OF
THUNDERSTORMS PERSISTING AFTER 12Z MON OVER MS/AL.
FARTHER W...A LARGE AREA OF LOW PRESSURE WILL DEEPEN OVER THE CNTRL
AND NRN PLAINS...BUT CONDITIONS WILL NOT BE FAVORABLE FOR
THUNDERSTORMS DUE TO STABLE AIR.
ELSEWHERE...COOL AIR ALOFT WITH THE NRN ROCKIES/PLAINS LOW MAY
RESULT IN MARGINAL INSTABILITY...BUT TEMPERATURES WILL BE COLD AND
ANY LIGHTNING STRIKES WILL BE QUITE ISOLATED.
..JEWELL.. 12/01/2013
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