SWODY1
SPC AC 061624
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1024 AM CST SAT MAR 06 2010
VALID 061630Z - 071200Z
...NO SVR TSTM AREAS FORECAST...
COLD UPPER LOW WHICH HAS BEEN DROPPING SWD OFF THE CA COAST WILL
TURN EWD TO JUST W OF LAX/SAN BY 12Z SUN. SLY FLOW ACROSS THE SWRN
STATES WILL GRADUALLY INCREASE BOTH MOISTURE AND
INSTABILITY...PARTICULARLY TONIGHT...SUFFICIENT TO SUPPORT AT LEAST
ISOLATED THUNDERSTORM DEVELOPMENT. WITH THE UPPER LOW STILL WELL TO
THE W...CONVECTIVE ACTIVITY SHOULD BE WIDELY SCATTERED THRU THE
PERIOD AND WELL BELOW ANY SEVERE LEVELS.
STEEP LAPSE RATES WILL MOVE ONSHORE SRN CA OVERNIGHT BUT ANY
INSTABILITY WILL BE PRIMARILY CONFINED TO COASTAL AREAS WWD TO THE
UPPER LOW CENTER. GIVEN WEAK UPWARD MOTION AND SHEAR...THUNDERSTORMS
THAT DO OCCUR SHOULD BE LIMITED TO COASTAL REGION.
COLD CORE UPPER LOW NWRN NEB WILL GRADUALLY WEAKEN ON TOP OF
SCENTRAL U.S. RIDGE AS IT MOVES EWD TO IA OVERNIGHT. SUFFICIENT
HEATING WILL OCCUR THIS AFTERNOON EWD ACROSS NEB FOR A FEW LOW
TOPPED THUNDERSTORMS DEVELOPING IN A MARGINALLY UNSTABLE AIR
MASS...SPREADING EWD INTO IA AND NRN MO THIS EVENING.
..HALES/PETERS.. 03/06/2010
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