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Tornado Watch 271
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WW0271 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate 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.
   SEL1
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 271
   NWS STORM PREDICTION CENTER NORMAN OK
   440 PM EDT FRI MAY 8 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          PARTS OF NORTHEAST ARKANSAS
          SMALL PART OF SOUTHERN KENTUCKY
          BOOTHEEL OF MISSOURI
          MUCH  OF TENNESSEE
          SMALL PART OF WESTERN VIRGINIA
   
   EFFECTIVE THIS FRIDAY AFTERNOON FROM 440 PM UNTIL MIDNIGHT 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 45 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF
   WALNUT RIDGE ARKANSAS TO 35 MILES NORTHEAST OF BRISTOL TENNESSEE.
    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 267...WW 268...WW
   269...WW 270...
   
   DISCUSSION...STRONG VEERING SHEAR PROFILES COUPLE WITH A MDTLY
   UNSTABLE VERY MOIST AIR MASS PROVIDING FAVORABLE CONDITIONS FOR
   SUPERCELL DEVELOPMENT.  IN ADDITION TO LARGE HAIL...TORNADOES WILL
   BE POSSIBLE ANY SUPERCELL BOTH ALONG OLD OUTFLOW BOUNDARY AND 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 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   550. MEAN STORM MOTION VECTOR 24035.
   
   
   ...HALES
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