SWODY1
SPC AC 050042
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0642 PM CST FRI JAN 04 2008
VALID 050100Z - 051200Z
..NO SVR TSTM AREAS FORECAST...
..NWRN CA THROUGH WRN ORE AND WA...
VIGOROUS SHORTWAVE TROUGH CONTINUES TO ADVANCE INTO THE PACIFIC NW
AND NRN CA REGIONS ACCOMPANIED BY COLD AIR ALOFT AND 7-7.5 SFC-500
MB LAPSE RATES. THIS IS CONTRIBUTING MUCAPE AOB 300 J/KG...MAINLY
WEST OF THE CASCADE AND SIERRA-NEVADA RANGES WHERE SSWLY ONSHORE
FLOW IS MAINTAINING BOUNDARY LAYER DEWPOINTS IN THE 40S. THIS
ENVIRONMENT WILL CONTINUE TO PROMOTE THE DEVELOPMENT OF SCATTERED
CONVECTION WITH MOST OF THE LIGHTING CONFINED TO COASTAL AREAS OF
NRN CA...WRN ORE AND WA. ISOLATED LIGHTING STRIKES WILL BE POSSIBLE
FARTHER EAST AS STEEPER MID LEVEL LAPSE RATES SPREAD INLAND...BUT
INSTABILITY IS EXPECTED TO REMAIN TOO LIMITED FOR MORE THAN 10 PCT
COVERAGE.
.DIAL.. 01/05/2008
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