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   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 730
   NWS STORM PREDICTION CENTER NORMAN OK
   110 PM EDT TUE AUG 10 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          WESTERN AND CENTRAL NEW YORK
          NORTHEASTERN OHIO
          NORTHERN AND WESTERN PENNSYLVANIA
          NORTHERN WEST VIRGINIA PANHANDLE
          LAKE ERIE
          LAKE ONTARIO
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 110 PM UNTIL 800
   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 ALONG AND 80 STATUTE MILES
   NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF
   YOUNGSTOWN OHIO TO 25 MILES EAST SOUTHEAST OF UTICA NEW YORK.
   
   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...WITH A MODERATELY UNSTABLE AND WEAKLY CAPPED AIR MASS
   ACROSS WATCH AREA...THUNDERSTORMS EXPECTED TO INCREASE IN NUMBER AND
   INTENSITY DURING AFTERNOON. GIVEN THE 35-40 KT DEEP LAYER
   SHEAR...WIND DAMAGE POTENTIAL WILL INCREASE...PARTICULARLY AS STORMS
   DEVELOP INTO SHORT BOWS/LINE SEGMENTS.
   
   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 25035.
   
   
   ...HALES