SWODY2
SPC AC 041704
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1104 AM CST WED NOV 04 2009
VALID 051200Z - 061200Z
...NO SVR TSTM AREAS FORECAST...
...PACIFIC NW...
STRONG SHORTWAVE TROUGH WILL MOVE INTO THE PACIFIC NW LATE IN THE
PERIOD AS JET CORE SAGS SEWD INTO ORE AFTER 06/00Z. PRIOR TO
FRONTAL PASSAGE...WITHIN WARM CONVEYOR...THERMODYNAMIC PROFILES WILL
NOT PROVE PARTICULARLY FAVORABLE FOR THUNDERSTORM DEVELOPMENT.
HOWEVER POST-FRONTAL COLD ADVECTION AND STEEPENING LAPSE RATES WILL
ENHANCE THE PROSPECT FOR SFC-BASED CONVECTIVE DEVELOPMENT WITHIN
ONSHORE FLOW REGIME...PRIMARILY AFTER 06Z. FORECAST SOUNDINGS
SUGGEST SBCAPE VALUES COULD APPROACH 500 J/KG NEAR THE COAST WHICH
WOULD EASILY SUPPORT LIGHTNING DISCHARGE FOR CLOUD DEPTHS
APPROACHING 500 MB.
..DARROW.. 11/04/2009
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