SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 194
   NWS STORM PREDICTION CENTER NORMAN OK
   640 PM EDT FRI APR 22 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHWEST GEORGIA
          MIDDLE AND EASTERN TENNESSEE
   
   EFFECTIVE THIS FRIDAY NIGHT FROM 640 PM UNTIL MIDNIGHT EDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
   STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH
   NORTHEAST OF CROSSVILLE TENNESSEE TO 35 MILES EAST SOUTHEAST OF
   ANNISTON ALABAMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
   TORNADOES.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 186...WW 187...WW 188...WW
   189...WW 190...WW 191...WW 192...WW 193...
   
   DISCUSSION...SCATTERED THUNDERSTORMS ARE INCREASING ACROSS MIDDLE TN
   AND NORTHEAST AL.  THESE STORMS WILL SPREAD EASTWARD THIS EVENING
   INTO AREAS THAT HAVE DESTABILIZED AFTER EARLIER CONVECTION. 
   SUFFICIENT INSTABILITY AND VERTICAL SHEAR ARE PRESENT FOR A RISK OF
   LARGE HAIL AND DAMAGING WINDS IN STRONGER CELLS.
   
   AVIATION...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 500. MEAN STORM
   MOTION VECTOR 26035.
   
   
   ...HART