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Severe Thunderstorm Watch 477
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WW0477 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 477
   NWS STORM PREDICTION CENTER NORMAN OK
   735 PM EDT FRI JUN 6 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SMALL PART OF EAST CENTRAL INDIANA
          LARGE PART OF NORTHWEST OHIO
          LAKE ERIE
   
   EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 735 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 40 MILES NORTH
   NORTHEAST OF FINDLAY OHIO TO 20 MILES EAST SOUTHEAST OF DAYTON
   OHIO.  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...CONTINUE...WW 473...WW 475...WW 476...
   
   DISCUSSION...LINE OF SEVERE THUNDERSTORMS CONTINUE TO MOVE VERY
   RAPIDLY EWD ACROSS CENTRAL INDIANA ACCOMPANIED BY DAMAGING WINDS. 
   WHILE AIR MASS INTO OH A LITTLE LESS UNSTABLE...THE STEEP LAPSE
   RATES  AND STRONG DEEP LAYER SHEAR SHOULD SUPPORT DAMAGING WINDS FOR
   SEVERAL MORE HOURS AS THE LINE MOVES INTO NWRN OH.
   
   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 24045.
   
   
   ...HALES
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Page last modified: June 07, 2008
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