SWODY3
SPC AC 080729
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0129 AM CST THU NOV 08 2007
VALID 101200Z - 111200Z
..NO SVR TSTM AREAS FORECAST...
AN UPPER-LEVEL RIDGE OVER THE PLAINS STATES FRIDAY NIGHT WILL MOVE
EWD INTO THE MS VALLEY SATURDAY AS AN UPPER-LEVEL TROUGH MOVES EWD
ACROSS THE DESERT SOUTHWEST. AT THE SFC...A LEE TROUGH WILL DEEPEN
AND MOVE EWD INTO THE PLAINS WITH SLY FLOW AHEAD OF THE TROUGH
BRINGING LOW-LEVEL MOISTURE NWD INTO THE SRN AND CNTRL PLAINS. MODEL
FORECASTS DEVELOP SCATTERED CONVECTION SATURDAY ALONG THE MOIST AXIS
ACROSS THE SABINE RIVER VALLEY. HOWEVER...THIS ACTIVITY WILL LIKELY
REMAIN ISOLATED AND UNORGANIZED DUE TO WEAK UPPER-LEVEL SUPPORT.
FURTHER NORTH...THE MODELS DEVELOP A 50 KT LOW-LEVEL JET SATURDAY
NIGHT AND LOW-LEVEL MOISTURE SHOULD INCREASE INTO THE CNTRL PLAINS.
SCATTERED ELEVATED THUNDERSTORMS WILL BE POSSIBLE ON THE NOSE OF THE
JET DUE TO WARM ADVECTION FROM ERN NEB AND ERN KS EWD INTO WRN IL.
ATTM...IT APPEARS INSTABILITY WILL BE TOO WEAK ACROSS THE CNTRL
PLAINS AND MID-MS VALLEY FOR AN ORGANIZED SEVERE THREAT SATURDAY
NIGHT.
.BROYLES.. 11/08/2007
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