ACUS01 KWNS 301901
SWODY1
SPC AC 301859
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1259 PM CST SUN DEC 30 2012
VALID 302000Z - 311200Z
...NO TSTM AREAS FORECAST...
NO CHANGES TO THE PREVIOUS OUTLOOK. NO THUNDERSTORMS EXPECTED THIS
PERIOD.
..JEWELL.. 12/30/2012
.PREV DISCUSSION... /ISSUED 0941 AM CST SUN DEC 30 2012/
SURFACE HIGH PRESSURE WILL DOMINATE THE ERN CONUS ON SUNDAY IN THE
WAKE OF A POWERFUL LOW PRESSURE SYSTEM MOVING QUICKLY TOWARD THE
CANADIAN MARITIMES. MEANWHILE...AN UPPER TROUGH WILL AMPLIFY OVER
THE SWRN CONUS AS MULTIPLE VORTICITY MAXIMA CONSOLIDATE INTO A
CLOSED UPPER LOW.
THE GREATEST CHANCE OF THUNDERSTORMS WILL BE ASSOCIATED WITH THE
SWRN UPPER TROUGH ACROSS PARTS OF SRN CA INTO SRN AZ...AS COLD TEMPS
ALOFT WILL ALLOW POCKETS OF VERY WEAK BUOYANCY TO DEVELOP.
HOWEVER...TSTM COVERAGE IS EXPECTED TO REMAIN VERY ISOLATED AT
BEST...SO NO GENERAL THUNDERSTORM AREA WILL BE INTRODUCED.
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