

567 

WWUS20 KWNS 251729

SEL1

SPC WW 251729

FLZ000-CWZ000-260100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 41

NWS STORM PREDICTION CENTER NORMAN OK

1225 PM EST MON FEB 25 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTH FLORIDA AND THE EASTERN FLORIDA PANHANDLE

       COASTAL WATERS



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1225 PM UNTIL

800 PM EST.



TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND

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

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 120 STATUTE

MILES EAST AND WEST OF A LINE FROM 5 MILES NORTH NORTHEAST OF

JACKSONVILLE FLORIDA TO 35 MILES SOUTHWEST OF CROSS CITY FLORIDA.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).



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...SQLN NOW W OF TALLAHASSEE AND APALACHICOLA MAY INCREASE

AS THE FEATURE...POSSIBLY TIED TO A WEAK IMPULSE IN WSW FLOW

ALOFT...INTERACTS WITH SLOWLY-ADVANCING W-E WARM FRONT DOWNSTREAM

ACROSS N FL. POTENTIAL WILL EXIST FOR BOWING SEGMENTS AND/OR A

TORNADO OR TWO WHERE STRONGER ASSOCIATED UPDRAFTS INTERACT WITH WARM

FRONT. ELEVATED STORMS WITH SVR HAIL MAY OCCUR IN NRN PART OF

LINE...AND AN ADDITIONAL STORM OR TWO MAY FORM AHEAD OF IT AS

MODERATE SFC HEATING BOOSTS SBCAPE TO AROUND 1000 J/KG.



AVIATION...TORNADOES AND 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

450. MEAN STORM MOTION VECTOR 27030.





...CORFIDI



296 

WWUS20 KWNS 251729

SEL1

SPC WW 251729

FLZ000-CWZ000-260100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 41

NWS STORM PREDICTION CENTER NORMAN OK

1225 PM EST MON FEB 25 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTH FLORIDA AND THE EASTERN FLORIDA PANHANDLE

       COASTAL WATERS



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1225 PM UNTIL

800 PM EST.



TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND

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

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 120 STATUTE

MILES EAST AND WEST OF A LINE FROM 5 MILES NORTH NORTHEAST OF

JACKSONVILLE FLORIDA TO 35 MILES SOUTHWEST OF CROSS CITY FLORIDA.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).



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...SQLN NOW W OF TALLAHASSEE AND APALACHICOLA MAY INCREASE

AS THE FEATURE...POSSIBLY TIED TO A WEAK IMPULSE IN WSW FLOW

ALOFT...INTERACTS WITH SLOWLY-ADVANCING W-E WARM FRONT DOWNSTREAM

ACROSS N FL. POTENTIAL WILL EXIST FOR BOWING SEGMENTS AND/OR A

TORNADO OR TWO WHERE STRONGER ASSOCIATED UPDRAFTS INTERACT WITH WARM

FRONT. ELEVATED STORMS WITH SVR HAIL MAY OCCUR IN NRN PART OF

LINE...AND AN ADDITIONAL STORM OR TWO MAY FORM AHEAD OF IT AS

MODERATE SFC HEATING BOOSTS SBCAPE TO AROUND 1000 J/KG.



AVIATION...TORNADOES AND 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

450. MEAN STORM MOTION VECTOR 27030.





...CORFIDI

