SWODY2
SPC AC 161700
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1100 AM CST TUE NOV 16 2010
VALID 171200Z - 181200Z
...NO SVR TSTM AREAS FORECAST...
...NERN U.S...
WEAK INSTABILITY WILL DEVELOP WITHIN WARM ADVECTION ZONE IMMEDIATELY
AHEAD OF SFC LOW ACROSS PORTIONS OF UPSTATE NY...SEWD INTO INTERIOR
NEW ENGLAND. THIS NARROW CORRIDOR FROM ERN LAKE ON TO CNTRL MA MAY
SUPPORT ISOLATED THUNDERSTORMS AS VERY COLD MID LEVEL TEMPERATURES
OVERSPREAD THE NRN PLUME OF NEAR-SFC 50S DEW POINTS.
ADDITIONALLY...WEAK ELEVATED INSTABILITY SHOULD ENHANCE THE
POTENTIAL FOR UPRIGHT CONVECTION ATOP THE BOUNDARY LAYER WHERE MID
LEVEL LAPSE RATES ARE EXPECTED TO STEEPEN AHEAD OF SHORTWAVE TROUGH.
GREATEST THREAT FOR THUNDERSTORMS WILL BE DURING THE FIRST HALF OF
THE PERIOD.
...PACIFIC NW COAST...
STRONG MID LEVEL JET WILL SAG ESEWD ACROSS WA INTO ORE LATE IN THE
PERIOD ALLOWING ONSHORE FLOW TO DEEPEN WHILE PROFILES COOL WITHIN
POST FRONTAL ENVIRONMENT. WHILE CONVECTION WILL UNDOUBTEDLY BE
NOTED WITHIN THIS AIRMASS IT APPEARS MOST UPDRAFTS WILL REMAIN
LIGHTNING-FREE...ALTHOUGH A FEW STRIKES COULD OCCUR NEAR THE
COAST...OR MORE LIKELY JUST OFFSHORE.
..DARROW.. 11/16/2010
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