

591 

WWUS20 KWNS 240844

SEL3

SPC WW 240844

ALZ000-FLZ000-GAZ000-CWZ000-241500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 63

NWS STORM PREDICTION CENTER NORMAN OK

440 AM EDT SUN MAR 24 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EXTREME SOUTHEAST ALABAMA

       THE CENTRAL AND EASTERN FLORIDA PANHANDLE

       SOUTHWEST GEORGIA

       COASTAL WATERS



EFFECTIVE THIS SUNDAY MORNING FROM 440 AM UNTIL 1100 AM EDT.



TORNADOES...HAIL TO 2 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 65 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHEAST OF

ALBANY GEORGIA TO 10 MILES SOUTHEAST OF APALACHICOLA FLORIDA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU3).



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...CONTINUE...WW 62...



DISCUSSION...THE SURFACE WARM FRONT IS MOVING INLAND ACROSS THE FL

PANHANDLE TOWARD THE GA BORDER AS NEW STORMS DEVELOP ALONG A

PRE-FRONTAL TROUGH/CONFLUENCE BAND MOVING EWD ACROSS THE WRN FL

PANHANDLE AND NE GULF OF MEXICO.  AS THE LOW LEVELS DESTABILIZE

INLAND...THE RISK FOR SURFACE-BASED SUPERCELLS WILL INCREASE IN AN

ENVIRONMENT WITH MLCAPE NEAR 1000 J/KG AND EFFECTIVE BULK SHEAR AOA

50 KT.  THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL

AND DAMAGING WINDS.  ADDITIONALLY...THERE WILL BE A RISK FOR A

COUPLE OF TORNADOES AS STORMS INTERACT WITH THE ZONE OF STRONGER

L0W-LEVEL SHEAR ALONG THE WARM FRONT.



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

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

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

450. MEAN STORM MOTION VECTOR 25040.





...THOMPSON



056 

WWUS20 KWNS 240844

SEL3

SPC WW 240844

ALZ000-FLZ000-GAZ000-CWZ000-241500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 63

NWS STORM PREDICTION CENTER NORMAN OK

440 AM EDT SUN MAR 24 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EXTREME SOUTHEAST ALABAMA

       THE CENTRAL AND EASTERN FLORIDA PANHANDLE

       SOUTHWEST GEORGIA

       COASTAL WATERS



EFFECTIVE THIS SUNDAY MORNING FROM 440 AM UNTIL 1100 AM EDT.



TORNADOES...HAIL TO 2 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 65 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHEAST OF

ALBANY GEORGIA TO 10 MILES SOUTHEAST OF APALACHICOLA FLORIDA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU3).



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...CONTINUE...WW 62...



DISCUSSION...THE SURFACE WARM FRONT IS MOVING INLAND ACROSS THE FL

PANHANDLE TOWARD THE GA BORDER AS NEW STORMS DEVELOP ALONG A

PRE-FRONTAL TROUGH/CONFLUENCE BAND MOVING EWD ACROSS THE WRN FL

PANHANDLE AND NE GULF OF MEXICO.  AS THE LOW LEVELS DESTABILIZE

INLAND...THE RISK FOR SURFACE-BASED SUPERCELLS WILL INCREASE IN AN

ENVIRONMENT WITH MLCAPE NEAR 1000 J/KG AND EFFECTIVE BULK SHEAR AOA

50 KT.  THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL

AND DAMAGING WINDS.  ADDITIONALLY...THERE WILL BE A RISK FOR A

COUPLE OF TORNADOES AS STORMS INTERACT WITH THE ZONE OF STRONGER

L0W-LEVEL SHEAR ALONG THE WARM FRONT.



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

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

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

450. MEAN STORM MOTION VECTOR 25040.





...THOMPSON

