SWODY2
SPC AC 081725
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1125 AM CST SUN NOV 08 2009
VALID 091200Z - 101200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
BROAD BELT OF WSWLY FLOW ALOFT WILL CONTINUE ACROSS THE WRN AND N
CENTRAL U.S. AND INTO ERN CANADA...WITH SEVERAL SMALL-SCALE FEATURES
PROGGED TO MOVE QUICKLY ENEWD THROUGH THE FAST FLOW FIELD.
A WEAK SURFACE FRONT IS EXPECTED TO MOVE SEWD ACROSS THE CENTRAL
CONUS...IN CONJUNCTION WITH ONE OF THESE EMBEDDED UPPER SHORT-WAVE
TROUGHS MOVING ACROSS THE UPPER GREAT LAKES/ONTARIO TOWARD QUEBEC.
A COLD FRONT WILL ALSO MOVE ONSHORE OVER THE PAC NW AS A SHORT-WAVE
TROUGH MOVES INLAND S OF THE LARGER GULF OF AK FEATURE.
THE OTHER FEATURE OF INTEREST REMAINS HURRICANE IDA...WHICH IS
PROGGED TO CONTINUE NWD ACROSS THE GULF OF MEXICO TOWARD THE CENTRAL
GULF COAST. PLEASE REFER TO THE LATEST FORECASTS FROM THE NHC
REGARDING IDA.
...CENTRAL GULF COAST REGION...
MOISTENING/VERY WEAK DESTABILIZATION IS FORECAST TO SPREAD ACROSS
THE CENTRAL GULF COAST REGION -- PARTICULARLY DURING THE SECOND HALF
OF THE PERIOD -- AS HURRICANE IDA SHIFTS NWD ACROSS THE GULF.
ATTM...IT APPEARS THAT LANDFALL WILL OCCUR AFTER THE END OF THE
PERIOD. WHILE A PORTION OF THE NERN QUADRANT OF THIS SYSTEM -- THE
MOST KINEMATICALLY-FAVORABLE REGION FOR SEVERE POTENTIAL -- MAY
REACH THE COAST VERY LATE IN THE PERIOD...WILL NOT INCLUDE ANY
SEVERE PROBABILITY ATTM. HOWEVER...WITH SHOWERS AND
OCCASIONAL/EMBEDDED LIGHTNING LIKELY TO AFFECT THE CENTRAL GULF
COAST REGION...WILL MAINTAIN EXISTING THUNDER LINE.
...ELSEWHERE...
SHOWERS AND A FEW EMBEDDED THUNDERSTORMS -- POSSIBLY ONGOING EARLY
IN THE PERIOD -- SHOULD PERSIST ACROSS THE CENTRAL CONUS...INVOF A
WEAKENING FRONT MOVING SLOWLY SEWD ACROSS THIS REGION. INSTABILITY
SHOULD REMAIN INSUFFICIENT FOR ANY APPRECIABLE SEVERE POTENTIAL.
SHOWERS AND A FEW LIGHTNING STRIKES WILL ALSO PERSIST ACROSS THE
COASTAL PAC NW...WHERE MOIST SWLY LOW-LEVEL UPSLOPE FLOW CONTINUES.
..GOSS.. 11/08/2009
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