ACUS02 KWNS 281648
SWODY2
SPC AC 281647
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1047 AM CST WED NOV 28 2012
VALID 291200Z - 301200Z
...NO SVR TSTM AREAS FORECAST...
...COASTAL NRN CA TO ORE...
A LARGE CLOSED LOW WILL REMAIN ANCHORED OVER THE NERN PACIFIC WITH A
TROUGH EXTENDING SWD ALONG AND OFF THE WEST COAST. WHILE...A
QUASI-ZONAL UPPER-LEVEL FLOW REGIME IS EXPECTED OVER MOST OF THE
CONUS ON THU...A SERIES OF SHORTWAVE TROUGHS ATTENDANT TO THE NERN
PACIFIC SYSTEM WILL MOVE INLAND ACROSS THE NWRN U.S. MODELS MAINTAIN
A FORECAST FOR STRONG FORCING FOR ASCENT ALONG THE COAST AND INLAND
FROM NRN CA TO WA. FORECAST SOUNDINGS NOW SUGGEST THE GREATEST
POTENTIAL FOR THIS FORCING TO OVERCOME MINIMAL BUOYANCY FOR TSTM
DEVELOPMENT WILL BE ALONG AND OFFSHORE THE NRN CA AND ORE COASTS.
THE ENVIRONMENT FARTHER INLAND IS EXPECTED TO BE TOO STABLE TO
SUPPORT A THREAT FOR LIGHTNING STRIKES THU AFTERNOON/NIGHT. THUS...
THIS OUTLOOK HAS REDUCED THE AREAL COVERAGE FOR GENERAL TSTMS /10
PERCENT PROBABILITY/.
..PETERS/LEITMAN.. 11/28/2012
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