[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 090445
SWODY1
SPC AC 090441

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1041 PM CST FRI DEC 08 2006

VALID 091200Z - 101200Z

...NO SVR TSTM AREAS FORECAST...

..SYNOPSIS...

SHORTWAVE TROUGH...CURRENTLY LOCATED ABOUT 800 MILES WEST OF
SFO...IS MOVING EWD AT 35 KT AND THIS MOTION WOULD BRING THE SYSTEM
INTO CA SATURDAY NIGHT. THOUGH INSTABILITY IS FORECAST TO REMAIN
MARGINAL...MUCAPES AOB 350 J/KG...STRONG FORCING AND MID LEVEL LAPSE
RATES NEAR 7C/KM SHOULD SUPPORT CONVECTION WITH SOME LIGHTNING
BETWEEN 21-06Z. THUNDERSTORMS ARE EXPECTED BE MOST NUMEROUS OFFSHORE
AND ALONG THE COAST...WHERE THE INSTABILITY WILL BE THE GREATEST.

ELSEWHERE...LARGE SURFACE HIGH PRESSURE AND ASSOCIATED STABLE
AIRMASS WILL INHIBIT CONVECTION ACROSS THE REMAINDER OF THE CONUS.

..IMY.. 12/09/2006