

936 

WWUS20 KWNS 190708

SEL4

SPC WW 190708

FLZ000-CWZ000-191400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 84

NWS STORM PREDICTION CENTER NORMAN OK

310 AM EDT SAT APR 19 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  SOUTHERN AND EASTERN FLORIDA

  COASTAL WATERS



* EFFECTIVE THIS SATURDAY MORNING FROM 310 AM UNTIL 1000 AM EDT.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  ISOLATED SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 75 MILES NORTHWEST OF WEST

PALM BEACH FLORIDA TO 60 MILES SOUTHWEST OF MIAMI FLORIDA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU4).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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...A MODERATELY UNSTABLE AIRMASS IS IN PLACE ACROSS THE

SOUTHERN AND EASTERN FLORIDA PENINSULA WITH SURFACE DEWPOINTS IN THE

LOWER 70S F. THIS ALONG WITH MODERATE DEEP LAYER SHEAR AND

SUFFICIENT LOW-LEVEL SHEAR WILL CREATE CONDITIONS FAVORABLE FOR

SEVERE THUNDERSTORMS AND A RISK OF TORNADOES DURING THE OVERNIGHT

PERIOD.



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

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.

MEAN STORM MOTION VECTOR 24035.





...BROYLES

