Monday, October 18, 2010

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 181554
SWODY1
SPC AC 181552

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1052 AM CDT MON OCT 18 2010

VALID 181630Z - 191200Z

...NO SVR TSTM AREAS FORECAST...

COLD UPPER LOW OFF CENTRAL CA COAST WILL BE HEADING SWD TO A
POSITION ABOUT 200 MILES WEST OF SAN BY 12Z TUE. THIS WILL RESULT
IN THE STEEP MID LEVEL LAPSE RATES UNDER THE UPPER LOW TO BECOME
FURTHER DISPLACED OFFSHORE. WHILE INTERIOR SWRN U.S. REMAINS UNDER
A GENERALLY WEAK FLOW...THE AIR MASS IS MODESTLY MOIST AND UNSTABLE
WHICH WILL RESPOND TO DAYTIME HEATING IN SCATTERED CONVECTIVE
SHOWERS AND THUNDERSTORMS. HOWEVER WITH A MORE HOSTILE
THERMODYNAMIC ENVIRONMENT COASTAL SRN CA...ANY CONVECTION INCLUDING
THUNDERSTORMS WILL BE VERY LIMITED THRU THE FORECAST PERIOD.

..HALES/GARNER.. 10/18/2010

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