

000 

WWUS20 KWNS 021051

SEL0

SPC WW 021051

FLZ000-CWZ000-021900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 330

NWS STORM PREDICTION CENTER NORMAN OK

650 AM EDT SAT JUN 2 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL INTO PART OF NORTHEAST FLORIDA

       COASTAL WATERS



EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 650 AM UNTIL

300 PM EDT.



TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES EITHER SIDE OF A LINE FROM 20 MILES WEST OF SARASOTA

FLORIDA TO 50 MILES EAST SOUTHEAST OF DAYTONA BEACH FLORIDA.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 327...WW 329...



DISCUSSION...THREATS OF ISOLATED TORNADOES AND STRONG THUNDERSTORM

WINDS ARE EXPECTED TO INCREASE THROUGH THE MORNING AHEAD OF T.S.

BARRY AND NEGATIVELY TILTED SHORTWAVE TROUGH SHEARING/MOVING SYSTEM

NEWD ACROSS FL.  MID LEVEL DRY SLOT SHOULD AID HEATING TODAY AND

ALLOW MARGINAL TO MODERATE INSTABILITY TO DEVELOP ALONG AND SOUTH OF

NE-SW ORIENTED SURFACE FRONT EXTENDING FROM JUST S OF JAX TO JUST N

OF TPA THIS MORNING.  THIS WILL LIKELY BOOST TORNADO POTENTIAL AS

UPDRAFTS STRENGTHEN THIS MORNING AND AFTERNOON GIVEN SIGNIFICANT LOW

LEVEL SHEAR ALREADY IN PLACE.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

400. MEAN STORM MOTION VECTOR 23030.





...EVANS

