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Tornado Watch 381
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WW0381 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Low
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.
   SEL1
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 381
   NWS STORM PREDICTION CENTER NORMAN OK
   545 PM EDT THU JUN 11 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          SOUTHEAST ILLINOIS
          SOUTHERN INDIANA
          WESTERN AND CENTRAL KENTUCKY
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND FRIDAY MORNING FROM 545 PM
   UNTIL 100 AM EDT.
   
   TORNADOES...HAIL TO 2 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 90 STATUTE
   MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH NORTHEAST OF
   EVANSVILLE INDIANA TO 20 MILES SOUTH SOUTHEAST OF BOWLING GREEN
   KENTUCKY.  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...CONTINUE...WW 375...WW 376...WW
   378...WW 379...WW 380...
   
   DISCUSSION...TSTMS EXPECTED TO CONTINUE FORMING INVOF EWD-MOVING UPR
   VORT...WHERE BOUNDARY LAYER AIR MASS IS CHARACTERIZED BY
   TEMPERATURES IN THE LOWER 80S AND DEWPOINTS IN THE LOW 70S. 
   COMBINATION OF MOIST LOW LVL ENVIRONMENT...SLIGHTLY-BACKED FLOW
   ALONG NW-SE OUTFLOW BOUNDARY/WARM FRONT...WEAK LOW LVL FORCING...AND
   40+ KT DEEP WLY SHEAR SUGGEST POTENTIAL FOR SCTD SEMI-DISCRETE
   SUPERCELLS WITH HAIL AND POSSIBLY A COUPLE TORNADOES.  STORMS SHOULD
   CONSOLIDATE INTO A SMALL CLUSTER LATER THIS EVE...WITH EMBEDDED
   SMALL LEWPS CONTINUING TO POSE A POSSIBLE SVR THREAT.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 26040.
   
   
   ...CORFIDI
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