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   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 850
   NWS STORM PREDICTION CENTER NORMAN OK
   1250 PM EST SUN NOV 6 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          A SMALL PART OF WESTERN MARYLAND
          WESTERN AND A PORTION OF CENTRAL NEW YORK
          CENTRAL AND WESTERN PENNSYLVANIA
          A SMALL PART OF NORTHERN WEST VIRGINIA
          LAKE ERIE
          LAKE ONTARIO
   
   EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1250 PM UNTIL 600
   PM EST.
   
   TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE MILES
   EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHEAST OF ROCHESTER
   NEW YORK TO 40 MILES SOUTH OF LATROBE PENNSYLVANIA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU0).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.
   
   OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES SEVERE
   THUNDERSTORM WATCH NUMBER 849. WATCH NUMBER 849 WILL NOT BE IN
   EFFECT AFTER 1250 PM EST. 
   
   DISCUSSION...THUNDERSTORMS REMAIN DISCRETE EARLY THIS AFTERNOON
   WITHIN ENVIRONMENT OF VERY STRONG LOW LEVEL SHEAR AND ENHANCED
   SURFACE PRESSURE FALLS.  THIS SUGGEST SUPERCELL AND SMALL BOW ECHO
   STRUCTURES WILL REMAIN DOMINANT STORM TYPE THIS AFTERNOON.  THOUGH
   WIND DAMAGE EXPECTED TO BE PRIMARY SEVERE THREAT...ISOLATED
   TORNADOES MAY ALSO OCCUR AND WARRANTS CHANGE TO TORNADO WATCH ACROSS
   AFFECTED AREA.
   
   AVIATION...TORNADOES AND 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
   400. MEAN STORM MOTION VECTOR 25040.
   
   
   ...EVANS