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Severe Thunderstorm Watch 7
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WW0007 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low 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.
   SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 7
   NWS STORM PREDICTION CENTER NORMAN OK
   320 PM CST THU JAN 21 2010
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTH CENTRAL KENTUCKY
          MIDDLE INTO A SMALL PART OF EASTERN TENNESSEE
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
   900 PM CST.
   
   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 85
   STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES WEST OF
   CHATTANOOGA TENNESSEE TO 20 MILES NORTH OF BOWLING GREEN
   KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
   
   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...THIS SEVERE THUNDERSTORM WATCH REPLACES
   TORNADO WATCH NUMBER 6. WATCH NUMBER 6 WILL NOT BE IN EFFECT
   AFTER 320 PM CST. 
   
   DISCUSSION...THUNDERSTORMS WILL CONTINUE TO INCREASE ACROSS WW
   THROUGH THE EVENING AHEAD OF POTENT UPPER LEVEL SYSTEM.  INSTABILITY
   REMAINS WEAK...HOWEVER DEEP ASCENT AND SUFFICIENT MUCAPE WILL
   SUPPORT SCATTERED STRONG TO SEVERE TSTMS WELL INTO THE EVENING. 
   DEEP LAYER SHEAR WILL ALSO SUSTAIN A RISK OF SUPERCELLS...WITH
   PRIMARY THREATS OF LARGE HAIL AND ISOLATED DAMAGING WINDS.  GIVEN
   STRENGTH OF SHEAR...A TORNADO OR TWO CAN NOT BE RULED OUT.
   
   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 350. MEAN STORM
   MOTION VECTOR 24020.
   
   
   ...EVANS
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