SWODY1
SPC AC 170038
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0638 PM CST MON FEB 16 2009
VALID 170100Z - 171200Z
...NO SVR TSTM AREAS FORECAST...
WATER VAPOR IMAGERY SHOWS AN UPPER-LEVEL LOW OFF THE COAST OF NRN CA
WITH A DRY SLOT LOCATED ON THE SOUTH SIDE OF THE LOW OFFSHORE FROM
THE LA BASIN. A 70 TO 80 KT MID-LEVEL JET ASSOCIATED WITH THE DRY
SLOT IS LOCATED FROM OFFSHORE EXTENDING EWD OVER SRN CA. THIS
SYNOPTIC REGIME WILL CONTINUE TO FAVOR SHOWER ACTIVITY AND BANDS OF
RAINFALL ACROSS MOST OF SRN AND CNTRL CA. A FEW THUNDERSTORMS WILL
BE POSSIBLE NEAR THE SRN AND CNTRL CA COASTS THIS EVENING DUE TO
STEEP MID-LEVEL LAPSE RATES AND STRONG LARGE-SCALE ASCENT.
HOWEVER...SFC TEMPS SHOULD BEGIN TO COOL EARLY THIS EVENING
RESULTING IN A GRADUAL DECREASE IN THUNDERSTORM POTENTIAL. ELSEWHERE
ACROSS THE CONUS...THUNDERSTORM ACTIVITY IS NOT EXPECTED THIS
EVENING OR OVERNIGHT.
..BROYLES.. 02/17/2009
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