SWODY1
SPC AC 220049
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0649 PM CST WED JAN 21 2009
VALID 220100Z - 221200Z
...NO SVR TSTM AREAS FORECAST...
...SRN CA...
EARLY EVENING SATELLITE IMAGERY INDICATES A FAIRLY WELL DEFINED
UPPER VORT/SHORT WAVE TROUGH...ROUGHLY NEAR 26N/121W...LIFTING NNEWD
TOWARD THE SRN CA COAST/NRN BAJA PENINSULA. THIS FEATURE WILL
UNDOUBTEDLY ENHANCE ASCENT/PRECIPITATION ACROSS THIS REGION LATER
TONIGHT INTO THE DAY2 PERIOD. WITH MID LEVEL LAPSE RATES ON THE
ORDER OF 7 C/KM...CONTINUED MID LEVEL MOISTENING SHOULD RESULT IN
WEAK ELEVATED INSTABILITY FOR PARCELS LIFTED NEAR 650-750MB. 00Z
SOUNDING FROM NKX SUPPORTS THIS WITH MUCAPE OF 165 J/KG...JUST
ENOUGH BUOYANCY FOR CONVECTION AND POSSIBLY A FEW LIGHTNING STRIKES.
FORECAST SOUNDINGS ALSO SUGGEST A FEW THUNDERSTORMS ARE
POSSIBLE...ESPECIALLY NEAR THE COAST.
..DARROW.. 01/22/2009
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