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Severe Thunderstorm Watch 451
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WW0451 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.
   SEL1
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 451
   NWS STORM PREDICTION CENTER NORMAN OK
   955 PM EDT WED JUN 17 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          THE WESTERN MARYLAND PANHANDLE
          SOUTHEAST OHIO
          SOUTHWEST PENNSYLVANIA
          NORTHERN WEST VIRGINIA AND THE EASTERN WEST VIRGINIA
   PANHANDLE
   
   EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 955 PM
   UNTIL 100 AM 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 EAST AND WEST OF A LINE FROM 20 MILES NORTH OF
   WHEELING WEST VIRGINIA TO 55 MILES SOUTH SOUTHWEST OF MORGANTOWN
   WEST VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
   
   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 440...WW 441...WW
   443...WW 445...WW 444...WW 446...WW 447...WW 448...WW 449...WW
   450...
   
   DISCUSSION...LARGE HAIL/DAMAGING WIND THREAT WILL PERSIST FOR A FEW
   MORE HOURS GIVEN A FEED OF MOIST/UNSTABLE AIR FROM THE SW AND LIFT
   WITH WARM ADVECTION AND A SHORTWAVE TROUGH BRUSHING THIS AREA TO THE
   NORTH.
   
   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 450. MEAN STORM
   MOTION VECTOR 30020.
   
   
   ...THOMPSON
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