
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 843
NWS STORM PREDICTION CENTER NORMAN OK
340 PM EDT TUE AUG 19 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EAST-CENTRAL AND NORTHEAST FLORIDA PENINSULA
COASTAL WATERS
EFFECTIVE THIS TUESDAY AFTERNOON AND WEDNESDAY MORNING FROM 340
PM UNTIL 100 AM EDT.
TORNADOES...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 40 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH NORTHWEST OF
DAYTONA BEACH FLORIDA TO 45 MILES SOUTH SOUTHEAST OF VERO BEACH
FLORIDA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
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.
OTHER WATCH INFORMATION...CONTINUE...WW 841...WW 842...
DISCUSSION...A FAVORABLE COLLOCATION OF STRONG LOW-LEVEL SHEAR AND
MODEST INSTABILITY WILL PERSIST THIS EVENING INTO TONIGHT IN
RIGHT-FORWARD QUADRANT OF TROPICAL STORM FAY. AS SUCH...THE THREAT
FOR SUPERCELLS CAPABLE OF A FEW TORNADOES WILL CONTINUE WITHIN
PRIMARY SPIRAL BAND WHICH IS BEING MAINTAINED FROM N OF THE CENTER
SSEWD THROUGH THE ERN SEMI-CIRCLE OF THE TROPICAL SYSTEM.
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 16035.
...MEAD/HART