SWODY1
SPC AC 010520
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1120 PM CST WED NOV 30 2011
VALID 011200Z - 021200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS...
AN UPPER-LEVEL SHORTWAVE TROUGH DIGGING ACROSS THE GREAT BASIN IS
FORECAST TO EVOLVE INTO A CLOSED LOW OVER THE LWR CO RIVER VALLEY
LATER TODAY. GIVEN MIDLEVEL TEMPERATURES NEAR -25C...LAPSE RATES
WILL BE STEEP OVER CNTRL/NRN AZ...WHICH MAY AID IN THE OCCURRENCE OF
A FEW LIGHTNING STRIKES OVER THE REGION. HOWEVER...THUNDERSTORM
COVERAGE IS EXPECTED TO REMAIN BELOW 10 PERCENT.
ELSEWHERE...SURFACE HIGH PRESSURE WILL SETTLE SWD ACROSS THE GREAT
PLAINS...LEADING TO A STRENGTHENING LOW-LEVEL BAROCLINIC ZONE
ORIENTED FROM SWRN TX NEWD TOWARDS THE RED RIVER. THOUGH NWD
MOISTURE RETURN WILL EVENTUALLY INTERSECT THIS FEATURE OVER
TX...DESTABILIZATION IS FORECAST TO BE INSUFFICIENT FOR THUNDERSTORM
DEVELOPMENT.
..GARNER/KERR.. 12/01/2011
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