

000 

WWUS20 KWNS 171831

SEL3

SPC WW 171831

ALZ000-FLZ000-GAZ000-CWZ000-180200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 63

NWS STORM PREDICTION CENTER NORMAN OK

1230 PM CST SUN FEB 17 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN AND CENTRAL ALABAMA

       FLORIDA PANHANDLE

       WESTERN GEORGIA

       COASTAL WATERS



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1230 PM UNTIL

800 PM CST.



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 100 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES WEST SOUTHWEST OF

PANAMA CITY FLORIDA TO 35 MILES WEST NORTHWEST OF LA GRANGE

GEORGIA.  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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 62. WATCH NUMBER 62 WILL NOT BE IN EFFECT AFTER 1230

PM CST.



DISCUSSION...BROKEN LINE OF SUPERCELLS WILL CONTINUE TO INTENSIFY AS

THEY RACE ENEWD ACROSS WW INTO THE EARLY EVENING AS AIR MASS BECOMES

MARGINALLY UNSTABLE TO SURFACE-BASED PARCELS.  EXTREME SHEAR WILL

THEREFORE SUSTAIN A RISK OF ISOLATED TORNADOES...ALONG WITH DAMAGING

WINDS AND ISOLATED LARGE HAIL.



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

400. MEAN STORM MOTION VECTOR 23035.





...EVANS

