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Severe Thunderstorm Watch 659
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WW0659 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Very Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 659
   NWS STORM PREDICTION CENTER NORMAN OK
   430 PM EDT TUE AUG 4 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHEASTERN KENTUCKY
          MIDDLE AND EASTERN TENNESSEE
          FAR WESTERN VIRGINIA
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 430 PM UNTIL
   1000 PM EDT.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 10 MILES WEST
   SOUTHWEST OF NASHVILLE TENNESSEE TO 35 MILES NORTHEAST OF BRISTOL
   TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 657...WW 658...
   
   DISCUSSION...STRONG TO SEVERE THUNDERSTORMS ARE ALREADY BECOMING
   WIDESPREAD ACROSS WW LATE THIS AFTERNOON AHEAD OF WEAKENING LINEAR
   MCS MOVING OUT OF KY.  SHEAR REMAINS MODEST...BUT AIRMASS ACROSS
   MIDDLE TN INTO NERN TN IS VERY UNSTABLE.  EXPECT ISOLATED DAMAGING
   WINDS/HAIL WILL ACCOMPANY STRONGER STORMS AS STORMS INCREASE IN
   COVERAGE THROUGH THE EARLY EVENING.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 33035.
   
   
   ...EVANS
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