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Severe Thunderstorm Watch 628
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WW0628 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
High 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.
   SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 628
   NWS STORM PREDICTION CENTER NORMAN OK
   215 PM EDT MON JUL 11 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHEAST OHIO
          SOUTHWEST PENNSYLVANIA
          WEST VIRGINIA
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 215 PM UNTIL
   1000 PM EDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTH
   NORTHWEST OF HUNTINGTON WEST VIRGINIA TO 30 MILES SOUTHEAST OF
   MORGANTOWN WEST VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH
   SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
   
   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 627...
   
   DISCUSSION...LINE OF SEVERE STORMS IS MOVING ESEWD OVER CENTRAL OH. 
   AIR MASS OVER SRN OH INTO WV IS CONTINUING TO HEAT AND DESTABILIZE
   WITH MLCAPE OF 1500-2500 J/KG ALONG ERN PORTION OF THE INSTABILITY
   AXIS THAT EXTENDS ACROSS THE OH VALLEY.  A WELL-DEFINED COLD POOL
   AND INCREASINGLY NWLY MID LEVEL WINDS INDICATE CONVECTIVE SYSTEM
   WILL PROPAGATE MORE SEWD WITH TIME AND MAINTAIN THREAT FOR DAMAGING
   WINDS AND OCCASIONAL HAIL.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 29025.
   
   
   ...WEISS
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