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   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 161
   NWS STORM PREDICTION CENTER NORMAN OK
   1135 PM CDT THU APR 6 2006
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHEAST ARKANSAS
          FAR SOUTHERN ILLINOIS
          FAR WESTERN KENTUCKY
          SOUTHEAST MISSOURI
          NORTHWEST TENNESSEE
   
   EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1135 PM
   UNTIL 500 AM CDT.
   
   TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
   TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
   MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTH OF BATESVILLE
   ARKANSAS TO 30 MILES NORTH NORTHEAST OF CAPE GIRARDEAU MISSOURI. 
   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.
   
   OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
   WATCH NUMBER 157. WATCH NUMBER 157 WILL NOT BE IN EFFECT AFTER
   1135 PM CDT. CONTINUE...WW 159...WW 160...
   
   DISCUSSION...FAST-MOVING AND PERHAPS SLIGHTLY ELEVATED BROKEN
   CONVECTIVE BAND NOW  OVER N CNTRL AR EXPECTED TO CONTINUE ENE
   THROUGH EARLY FRIDAY.  AS SYSTEM MOVES OFF HIGHER TERRAIN OF THE
   OZARKS...ONE OR TWO EMBEDDED STORMS MAY INTENSIFY A BIT AND POSE A
   THREAT FOR ISOLATED TORNADOES IN ADDITION TO HIGH WIND/MARGINALLY
   SEVERE HAIL.  AREA VWPS SHOW AMPLE EFFECTIVE SHEAR TO SUPPORT MID
   LEVEL...AND POSSIBLY LOW LEVEL...STORM ROTATION AS 1 KM SSW FLOW
   STRENGTHENS TO AOA 60 KTS.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
   MEAN STORM MOTION VECTOR 26040.
   
   
   ...CORFIDI