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Tornado Watch 199
Initial RADAR image for Watch 199
Initial List of Counties in Watch 199 (WOU)
Note: The Watch Probability Tables are experimental.
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Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 199
   NWS STORM PREDICTION CENTER NORMAN OK
   335 PM CDT TUE APR 18 2006
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHERN AND CENTRAL MISSOURI
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 335 PM UNTIL
   1100 PM CDT.
   
   TORNADOES...HAIL TO 3 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 70 STATUTE
   MILES EAST AND WEST OF A LINE FROM 50 MILES NORTH OF CHILLICOTHE
   MISSOURI TO 20 MILES SOUTHWEST OF FORT LEONARD WOOD MISSOURI. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   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...THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE NEXT
   1-2 HOURS NEAR A SURFACE LOW CURRENTLY OVER MCI AND ALONG A DRY LINE
   EXTENDING SWD ACROSS WRN MO.  AIR MASS IS VERY UNSTABLE...ESPECIALLY
   INTO CENTRAL MO SOUTH OF A WARM FRONT NOW EXTENDING FROM NEAR STL TO
   MCI.  BOTH SHEAR AND LARGE SCALE ASCENT WILL INCREASE THROUGH THE
   EVENING AND ENHANCE THE RISK OF SEVERE THUNDERSTORMS...INCLUDING
   TORNADIC SUPERCELLS...WITH DEVELOPMENT SPREADING ENEWD THIS EVENING.
    TORNADO THREAT WILL BE HIGHEST NEAR THE LOW CENTER AND WARM FRONT
   WHERE LOW LEVEL SHEAR WILL BE MAXIMIZED.  VERY LARGE HAIL AND
   DAMAGING WINDS WILL BE ADDITIONAL HAZARDS.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 24020.
   
   
   ...EVANS
   
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Page last modified: April 19, 2006
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