WATCHES: Tornado Watch Number 865

WWUS20 KWNS 100832
SEL5
SPC WW 100832
FLZ000-GAZ000-CWZ000-101700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 865
NWS STORM PREDICTION CENTER NORMAN OK
425 AM EDT MON OCT 10 2011

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

NORTHERN FLORIDA
SOUTHERN AND EASTERN GEORGIA
COASTAL WATERS

EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 425 AM UNTIL 100
PM EDT.

TORNADOES...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
MILES EITHER SIDE OF A LINE FROM 60 MILES NORTH NORTHEAST OF
WAYCROSS GEORGIA TO 30 MILES EAST OF GAINESVILLE FLORIDA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

DISCUSSION...SFC LOW NOW NEAR OCALA FL EXPECTED TO CONTINUE MOVING
SLOWLY WNW THROUGH LATE THIS MORNING. THIS WILL ALLOW ATTENDANT
WEDGE OF HIGH THETA-E AIR IN NERN QUADRANT OF SYSTEM...AND MARITIME
BOUNDARY ON ITS LEADING EDGE...TO ADVANCE FARTHER WNW ACROSS FAR NRN
FL...AND INTO SRN/ERN GA. 50 KT ESELY LLJ AND BAND OF STRONGLY
ENHANCED LOW LVL SRH IN NE QUADRANT OF LOW IS CO-LOCATED WITH AXIS
OF HIGHEST THETA-E /WITH PW ABOVE 2 INCHES/. GIVEN CONFLUENT NATURE
OF LOW LVL FLOW...SCTD SHOWERS/STORMS MAY CONTINUE TO FORM WITHIN
THE LLJ AND POSE A RISK FOR BRIEF TORNADOES. THIS RISK SHOULD BE
GREATEST WHERE THE JET INTERSECTS SLOWLY-ADVANCING MARITIME
BOUNDARY.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI
WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 12040.

...CORFIDI

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