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Tornado Watch 237
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WW0237 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood High Moderate
Severe Wind 65 kt+ Wind
High Moderate
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 237
   NWS STORM PREDICTION CENTER NORMAN OK
   330 PM CDT WED APR 27 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHEAST ARKANSAS
          SOUTHERN ILLINOIS
          SOUTHERN INDIANA
          WESTERN KENTUCKY
          SOUTHEAST MISSOURI INCLUDING THE BOOTHEEL
          WEST TENNESSEE
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 330 PM UNTIL
   1100 PM CDT.
   
   TORNADOES...HAIL TO 2.5 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 75 STATUTE
   MILES EAST AND WEST OF A LINE FROM 30 MILES WEST NORTHWEST OF
   EVANSVILLE INDIANA TO 45 MILES SOUTH OF JACKSON TENNESSEE.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU7).
   
   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...CONTINUE...WW 231...WW 232...WW
   233...WW 234...WW 235...WW 236...
   
   DISCUSSION...DISCRETE THUNDERSTORM DEVELOPMENT IS OCCURRING OVER
   NORTHEAST AR AND WEST TN...IN REGION WHERE SUBSTANTIAL LOW LEVEL
   DESTABILIZATION IS OCCURRING.  GIVEN THE APPROACH OF DEEP SURFACE
   LOW...POTENTIAL IS INCREASING FOR TORNADIC SUPERCELLS AS FAR NORTH
   AS THE LOWER OH RIVER VALLEY THROUGH THE EVENING.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 24035.
   
   
   ...HART
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