SWODY3
SPC AC 110809
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0209 AM CST FRI NOV 11 2011
VALID 131200Z - 141200Z
...SYNOPSIS...
WHILE A MID-LEVEL SHORT-WAVE TROUGH CROSSING THE CENTRAL U.S. EARLY
SHIFTS ENEWD ACROSS THE GREAT LAKES REGION...BROAD CYCLONIC FLOW
WILL PERSIST IN ITS WAKE -- COVERING MUCH OF THE CONUS THROUGH THE
END OF THE PERIOD. MEANWHILE...AN UPPER LOW INITIALLY OFF THE BAJA
CA COAST WILL PROGRESS SLOWLY EWD...NEARING THE CENTRAL BAJA COAST
LATE.
AT THE SURFACE...A COLD FRONT INITIALLY CROSSING THE MS VALLEY IS
PROGGED TO WEAKEN/WASH OUT WITH TIME...AS THE PARENT SURFACE LOW
LIFTS NEWD TOWARD JAMES BAY.
WEAK ELEVATED DESTABILIZATION ACROSS THE S CENTRAL U.S. TO THE COOL
SIDE OF THE REMNANT FRONT MAY COMBINE WITH LOW-LEVEL WARM
ADVECTION/ISENTROPIC LIFT TO SUPPORT SHOWERS AND A FEW THUNDERSTORMS
-- PRIMARILY DURING THE SECOND HALF OF THE PERIOD IN A BROAD AREA
CENTERED ON THE MID MS VALLEY. CONVECTION SHOULD REMAIN WEAK --
WITH SEVERE WEATHER NOT EXPECTED.
..GOSS.. 11/11/2011
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