SWODY2
SPC AC 270557
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1157 PM CST FRI NOV 26 2010
VALID 281200Z - 291200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS...
A LARGE WRN U.S. UPPER TROUGH WILL PROGRESS EWD ACROSS THE
ROCKIES...AND BEGIN AFFECTING THE PLAINS STATES AS A DOWNSTREAM
RIDGE SHIFTS INTO THE ERN CONUS.
AT THE SURFACE...LOW PRESSURE OVER THE CENTRAL HIGH PLAINS EARLY IN
THE PERIOD IS FORECAST TO SHIFT NNEWD ACROSS THE MID MO VALLEY
REGION...WHILE A TRAILING COLD FRONT MOVES ACROSS PARTS OF KS/OK/TX
THROUGH THE END OF THE PERIOD.
WITH A LARGE AREA OF SURFACE HIGH PRESSURE TO REMAIN IN PLACE OVER
THE ERN HALF OF THE CONUS AND LITTLE MOISTURE RETURN NWD AHEAD OF
THE FRONT MOVING INTO THE PLAINS...THUNDERSTORMS ARE NOT ANTICIPATED
ACROSS THE CENTRAL CONUS. A FEW SHOWERS AND POSSIBLY AN ISOLATED
THUNDERSTORM MAY AFFECT S FL/THE KEYS...BUT THREAT APPEARS TOO LOW
TO WARRANT INCLUSION OF A 10% LINE. SIMILARLY...SCATTERED SHOWERS
ARE ALSO EXPECTED ACROSS PORTIONS OF THE WRN U.S. AS THE UPPER
TROUGH CROSSES THIS REGION...BUT INSTABILITY SHOULD PROVE
INSUFFICIENT FOR APPRECIABLE THUNDER THREAT.
..GOSS.. 11/27/2010
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