SWODY2
SPC AC 301708
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1108 AM CST FRI DEC 30 2011
VALID 311200Z - 011200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS...
A BENIGN PATTERN FOR THUNDERSTORMS WILL PERSIST ON SAT AS A
PROGRESSIVE WNWLY STORM TRACK REMAINS IN PLACE. AT 12Z SAT...AN
UPPER TROUGH AXIS WILL BE SITUATED ALONG THE E COAST WITH A COLD
FRONT ALREADY OFFSHORE. DRY AIR WILL SPREAD OVER THE ERN STATES IN
THE WAKE OF THIS SYSTEM.
TO THE W...A RELATIVELY STRONG UPPER LEVEL SHORTWAVE TROUGH AND
ASSOCIATED SURFACE COLD FRONT WILL BE AFFECTING THE UPPER TO MIDDLE
MS VALLEY REGION BY AFTERNOON. ALTHOUGH SOME RAIN SHOWERS WILL EXIST
WITH THIS SYSTEM...THERE WILL BE NO INSTABILITY FOR THUNDERSTORMS.
BEHIND THIS SYSTEM...A LARGE AREA OF HIGH PRESSURE...AND BUILDING
UPPER RIDGE...WILL MAINTAIN DRY WEATHER OVER THE WRN HALF OF THE
CONUS AS WELL.
..JEWELL.. 12/30/2011
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