WATCHES: Severe Thunderstorm Watch Number 396

WWUS20 KWNS 151953
SEL6
SPC WW 151953
FLZ000-CWZ000-160100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 396
NWS STORM PREDICTION CENTER NORMAN OK
355 PM EDT FRI JUN 15 2012

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

CENTRAL AND SOUTH FLORIDA
COASTAL WATERS

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 355 PM UNTIL 900
PM EDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHEAST OF
SARASOTA FLORIDA TO 45 MILES SOUTH OF MIAMI FLORIDA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU6).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 395...

DISCUSSION...SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE TO
INTENSIFY THIS AFTERNOON OVER THE CENTRAL AND SOUTHERN FL
PENINSULA...MAINLY IN VICINITY OF SEA BREEZE CONVERGENCE ZONES.
AMPLE LOW LEVEL MOISTURE/INSTABILITY AND SUFFICIENT WESTERLY FLOW
ALOFT WILL PROMOTE ORGANIZED MULTICELL OR BRIEF SUPERCELL STORM
STRUCTURES CAPABLE OF DAMAGING WINDS AND HAIL.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 27020.


...HART

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