SPC AC 100533
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1133 PM CST TUE FEB 09 2010
VALID 101200Z - 111200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS AND FORECAST...
DEEP-LAYER CYCLONE NOW OFF THE CNTRL CA COAST WILL CONTINUE SEWD
TODAY...GRADUALLY EVOLVING INTO AN OPEN WAVE AND EVENTUALLY REACHING
NWRN MEXICO BY THURSDAY MORNING. IN THE LOW LEVELS...AN EXPANSIVE
SURFACE ANTICYCLONE WILL GRADUALLY MIGRATE EWD THROUGH THE MS
VALLEY...MAINTAINING OFFSHORE FLOW ACROSS THE GULF COAST.
IT APPEARS THAT ANY TSTM POTENTIAL WILL LIKELY BE LIMITED TO PARTS
OF THE SWRN DESERTS WHERE STEEP MIDLEVEL LAPSE RATES OF 7-8 C/KM
WILL LARGELY CONTRIBUTE TO POCKETS OF WEAK CONVECTIVE
INSTABILITY...DESPITE A RATHER DRY AIR MASS. FORCING FOR ASCENT
ASSOCIATED WITH OPENING MIDLEVEL WAVE COUPLED WITH THE STEEP LAPSE
RATES MAY SUPPORT ISOLATED TO SCATTERED STORMS TODAY INTO THIS
EVENING OVER PARTS OF AZ INTO NM. NO SEVERE WEATHER IS EXPECTED.
..MEAD.. 02/10/2010
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1300Z
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