

154 

WWUS20 KWNS 241135

SEL3

SPC WW 241135

FLZ000-GAZ000-SCZ000-CWZ000-241900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 563

NWS STORM PREDICTION CENTER NORMAN OK

635 AM EST WED DEC 24 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  NORTHWESTERN FLORIDA AND CENTRAL AND EASTERN FLORIDA PANHANDLE

  SOUTHERN GEORGIA

  SOUTHERN SOUTH CAROLINA

  COASTAL WATERS



* EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 635 AM

  UNTIL 200 PM EST.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES EAST OF APALACHICOLA

FLORIDA TO 40 MILES WEST NORTHWEST OF CHARLESTON SOUTH CAROLINA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU3).



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.



&&



OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 562. WATCH NUMBER 562 WILL NOT BE IN EFFECT AFTER

635 AM EST.



DISCUSSION...LOW-CAPE/HIGH-SHEAR PARAMETER SPACE THAT CHARACTERIZES

WARM SECTOR IS FCST TO EXPAND NEWD WITH RETREAT OF SHALLOW/DAMMING

FRONT ACROSS ERN PORTIONS WW AREA...WITH ISOLATED POTENTIALLY

TORNADIC SUPERCELLS POSSIBLE.  MEANWHILE SQLN WILL BECOME

BETTER-DEFINED AND SHIFT EWD OVER WW AREA THROUGH MIDDAY.  REF SPC

MESOSCALE DISCUSSION 1993 FOR MORE DETAILS ON NOWCAST SITUATION.



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

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

GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.

MEAN STORM MOTION VECTOR 22030.





...EDWARDS



684 

WWUS20 KWNS 241135

SEL3

SPC WW 241135

FLZ000-GAZ000-SCZ000-CWZ000-241900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 563

NWS STORM PREDICTION CENTER NORMAN OK

635 AM EST WED DEC 24 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  NORTHWESTERN FLORIDA AND CENTRAL AND EASTERN FLORIDA PANHANDLE

  SOUTHERN GEORGIA

  SOUTHERN SOUTH CAROLINA

  COASTAL WATERS



* EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 635 AM

  UNTIL 200 PM EST.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES EAST OF APALACHICOLA

FLORIDA TO 40 MILES WEST NORTHWEST OF CHARLESTON SOUTH CAROLINA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU3).



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.



&&



OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 562. WATCH NUMBER 562 WILL NOT BE IN EFFECT AFTER

635 AM EST.



DISCUSSION...LOW-CAPE/HIGH-SHEAR PARAMETER SPACE THAT CHARACTERIZES

WARM SECTOR IS FCST TO EXPAND NEWD WITH RETREAT OF SHALLOW/DAMMING

FRONT ACROSS ERN PORTIONS WW AREA...WITH ISOLATED POTENTIALLY

TORNADIC SUPERCELLS POSSIBLE.  MEANWHILE SQLN WILL BECOME

BETTER-DEFINED AND SHIFT EWD OVER WW AREA THROUGH MIDDAY.  REF SPC

MESOSCALE DISCUSSION 1993 FOR MORE DETAILS ON NOWCAST SITUATION.



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

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

GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.

MEAN STORM MOTION VECTOR 22030.





...EDWARDS

