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Tornado Watch 117
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WW0117 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
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 117
   NWS STORM PREDICTION CENTER NORMAN OK
   1145 AM CDT SUN APR 5 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          PARTS OF SOUTHERN ILLINOIS
          MUCH OF SOUTHERN INDIANA
          MUCH OF WESTERN AND CENTRAL KENTUCKY
          SMALL PART OF SOUTHEAST MISSOURI
          PARTS OF NORTHWEST TENNESSEE
   
   EFFECTIVE THIS SUNDAY MORNING AND EVENING FROM 1145 AM UNTIL 600
   PM CDT.
   
   TORNADOES...HAIL TO 2 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 85 STATUTE
   MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH NORTHEAST OF
   BLOOMINGTON INDIANA TO 60 MILES SOUTHWEST OF CLARKSVILLE
   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.
   
   DISCUSSION...STRONG S/WV TROUGH AND ASSOCIATED 100KT MID LEVEL JET
   MAX WILL BE TRACKING INTO LOWER OH VALLEY THIS AFTERNOON. DEEPENING
   SURFACE LOW MOVES ACROSS CENTRAL IL INTO IND WITH COLD FRONT
   EXTENDING SSWWD INTO CENTRAL AR ATTM.  LOW LEVEL MOISTURE INCREASING
   IN WARM SECTOR ALONG WITH SURFACE HEATING WILL RAISE MLCAPES TO NEAR
   1000 J/KG.  SEVERE THUNDERSTORMS INCLUDING SUPERCELLS WILL DEVELOP
   AHEAD OF SURFACE LOW AND COLD FRONT AND TRACK RAPIDLY ENEWD ACROSS
   THE WATCH.  IN ADDITION TO DAMAGING WINDS/HAIL...TORNADOES WILL BE
   POSSIBLE...PARTICULARLY WITH ANY SUPERCELL THAT IS ABLE TO DEVELOP
   IN WARM SECTOR.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 24050.
   
   
   ...HALES
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