SPC AC 070048
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0648 PM CST FRI NOV 06 2009
VALID 070100Z - 071200Z
...NO SVR TSTM AREAS FORECAST...
...PACIFIC NW...
00Z SOUNDINGS FROM BOTH UIL AND SLE EXHIBIT SUFFICIENT INSTABILITY
THROUGH A DEEP LAYER FOR CONVECTION CAPABLE OF GENERATING
LIGHTNING...THOUGH SBCAPE IS GENERALLY ON THE ORDER OF A FEW HUNDRED
J/KG. LAPSE RATES REMAIN STEEP THROUGH AT LEAST 4KM TO 6KM ALONG
THE WA/ORE COAST...WHICH WILL CONTINUE TO SUPPORT ISOLATED
THUNDERSTORMS AS MARINE BOUNDARY LAYER INFLOW IS THE PRIMARY SOURCE
FOR CONVECTIVE BUOYANCY. FARTHER INLAND...LAPSE RATES ARE STEEP
ACROSS ERN WA BUT PWAT IS QUITE LOW AND PROFILES MAY BE TOO COOL FOR
MORE THAN ONE OR TWO LIGHTNING STRIKES WITHIN STRONGER UPDRAFTS.
..DARROW.. 11/07/2009
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
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