SEL2
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 162
   NWS STORM PREDICTION CENTER NORMAN OK
   1020 AM CDT FRI APR 7 2006
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHEAST ARKANSAS
          SOUTHERN ILLINOIS
          SOUTHERN INDIANA
          CENTRAL AND WESTERN KENTUCKY
          SOUTHEAST MISSOURI
          WESTERN AND MIDDLE TENNESSEE
   
   EFFECTIVE THIS FRIDAY MORNING AND EVENING FROM 1020 AM UNTIL 800
   PM CDT.
   
   ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
   
   DESTRUCTIVE TORNADOES...LARGE HAIL TO 4 INCHES IN DIAMETER...
   THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
   POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 110 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTHWEST OF POPLAR
   BLUFF MISSOURI TO 60 MILES EAST OF BOWLING GREEN KENTUCKY.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU2).
   
   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...VERY POTENT TORNADIC SUPERCELL ENVIRONMENT IN PLACE
   ACROSS TN VALLEY AHEAD OF DEEP SURFACE LOW OVER NERN KS.  STRONG
   DEEP LAYER SHEAR...VERY STEEP MID LEVEL LAPSE RATES...AND MDT TO
   STRONG INSTABILITY WILL LEAD TO RAPID DEVELOPMENT OF SEVERE
   THUNDERSTORMS OVER LOWER OH AND TN VALLEYS BY EARLY AFTERNOON. 
   TORNADIC SUPERCELLS ARE EXPECTED WITH POTENTIAL FOR VIOLENT/LONG
   TRACK TORNADOES.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   550. MEAN STORM MOTION VECTOR 24045.
   
   
   ...HALES