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Severe Thunderstorm Watch 549
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WW0549 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood 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 549
   NWS STORM PREDICTION CENTER NORMAN OK
   555 PM CDT SAT JUL 4 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTH CENTRAL KENTUCKY
          MIDDLE TENNESSEE
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 555 PM UNTIL
   1100 PM CDT.
   
   HAIL TO 2 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 45
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 70 MILES WEST OF
   FORT CAMPBELL KENTUCKY TO 30 MILES EAST NORTHEAST OF NASHVILLE
   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 545...WW 546...WW
   547...WW 548...
   
   DISCUSSION...SEVERE THREAT WILL LIKELY SPREAD ESEWD ALONG SURFACE
   FRONT WITH STRENGTHENING WLY LLJ FORECAST TO OVERSPREAD THE MID
   SOUTH THIS EVENING.  DEEP LAYER SHEAR WILL BE MORE THAN ADEQUATE FOR
   SUPERCELLS...ALONG WITH SMALL SCALE BOW ECHOES.  LARGE HAIL AND
   DAMAGING WINDS WILL BE PRIMARY SEVERE THREATS...ALTHOUGH AN ISOLATED
   TORNADO REMAINS POSSIBLE WHERE STORMS INTERACT WITH SURFACE
   BOUNDARIES.
   
   AVIATION...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 450. MEAN STORM
   MOTION VECTOR 29035.
   
   
   ...EVANS
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Page last modified: July 05, 2009
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