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Severe Thunderstorm Watch 313
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WW0313 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
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.
   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 313
   NWS STORM PREDICTION CENTER NORMAN OK
   220 PM EDT THU MAY 28 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          EASTERN KENTUCKY
          FAR WESTERN NORTH CAROLINA
          EXTREME SOUTHERN OHIO
          EASTERN TENNESSEE
          WESTERN VIRGINIA
          SOUTHERN WEST VIRGINIA
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 220 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 85
   STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES EAST OF
   CHATTANOOGA TENNESSEE TO 15 MILES NORTH NORTHEAST OF CHARLESTON
   WEST VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
   
   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.
   
   DISCUSSION...DESTABILIZING AIR MASS COMBINED WITH INCREASING LARGE
   SCALE LIFT... ASSOCIATED WITH MID LEVEL TROUGH MOVING INTO THE
   WESTERN LOWER OH VALLEY...WILL RESULT IN THUNDERSTORMS TO INCREASE
   IN NUMBER AND INTENSITY INTO THE EVENING HOURS. MODERATE INSTABILITY
   AND INCREASING DEEP LAYER SHEAR WILL SUPPORT SEVERE MULTICELL STORMS
   WITH HAIL AND WIND DAMAGE.
   
   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 25025.
   
   
   ...IMY
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