SPC AC 151244
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0644 AM CST TUE FEB 15 2011
VALID 151300Z - 161200Z
...NO SVR TSTM AREAS FORECAST...
...NW CA/ORE/WA COASTS TODAY INTO TONIGHT...
NO CHANGES TO THE PREVIOUS OUTLOOK AREA OR REASONING. A DEEP/COLD
TROUGH WILL PROGRESS SLOWLY INLAND OVER NRN CA/WRN ORE/WRN WA TODAY.
WITHIN THE LARGER TROUGH...AN EMBEDDED SPEED MAX JUST OFF THE SW
ORE/NW CA COASTS WILL MOVE NEWD AND INLAND TODAY. ASCENT IN ADVANCE
OF THIS WAVE...AND GRADUAL DESTABILIZATION NEAR THE COAST...WILL
RESULT IN A THREAT FOR AT LEAST ISOLATED THUNDERSTORMS TODAY FROM NW
CA NWD ALONG THE ORE/WA COASTS. THOUGH THE MAGNITUDE OF BUOYANCY
WILL REMAIN WEAK /MUCAPE OF 100-300 J PER KG/...STEEP LOW-LEVEL
LAPSE RATES AND UP TO 50 KT FLOW WITHIN THE LOWEST 1-2 KM AGL COULD
SUPPORT ISOLATED STRONG GUSTS WITH CONVECTION ALONG THE COAST FROM
ABOUT MIDDAY INTO THE AFTERNOON.
..THOMPSON.. 02/15/2011
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1630Z
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