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WWUS20 KWNS 191717

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SPC WW 191717

FLZ000-CWZ000-200100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 50

NWS STORM PREDICTION CENTER NORMAN OK

115 PM EDT SAT MAR 19 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  CENTRAL AND SOUTHERN FLORIDA PENINSULA

  COASTAL WATERS



* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 115 PM UNTIL

  900 PM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...THUNDERSTORMS NOW DEVELOPING OVER THE INTERIOR

PENINSULA...AND ADVANCING INLAND ACROSS THE GULF COAST ARE EXPECTED

TO CONTINUE INTENSIFYING THIS AFTERNOON.  ACTIVITY MAY GRADUALLY

CONSOLIDATE...WITH AN INCREASING RISK FOR DAMAGING WIND GUSTS AS IT

APPROACHES THE EAST COAST OF THE CENTRAL AND SOUTHERN PENINSULA.

ISOLATED STORMS AHEAD OF THE MAIN LINE MAY BE ACCOMPANIED BY A RISK

FOR SEVERE HAIL...PERHAPS A TORNADO.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES NORTH

NORTHEAST OF VERO BEACH FLORIDA TO 40 MILES EAST SOUTHEAST OF

NAPLES FLORIDA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



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 26040.





...KERR

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