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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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