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Tornado Watch 836
Initial RADAR image for Watch 836

Related md2241 for watch 836

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   SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 836
   NWS STORM PREDICTION CENTER NORMAN OK
   650 PM EDT FRI SEP 17 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          DISTRICT OF COLUMBIA
          MARYLAND
          NORTHEAST NORTH CAROLINA
          A SMALL PART OF SOUTH CENTRAL PENNSYLVANIA
          EASTERN VIRGINIA
          THE EASTERN WEST VIRGINIA PANHANDLE
          COASTAL WATERS
   
   EFFECTIVE THIS FRIDAY NIGHT FROM 650 PM UNTIL MIDNIGHT EDT.
   
   TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
   TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST
   OF A LINE FROM 45 MILES NORTHEAST OF HAGERSTOWN MARYLAND TO 25
   MILES SOUTH SOUTHWEST OF ELIZABETH CITY NORTH CAROLINA.
   
   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 TORNADO
   WATCH NUMBER 833...TORNADO WATCH NUMBER 834. WATCH NUMBER 833 834
   WILL NOT BE IN EFFECT AFTER 650 PM EDT. CONTINUE...WW 835...
   
   DISCUSSION...THREAT FOR SUPERCELLS AND TORNADOES WILL PERSIST FOR
   THE NEXT FEW HOURS AS THE REMNANTS OF IVAN CONTINUE TO MOVE NEWD
   ACROSS VA.  STRONG L0W-LEVEL SHEAR /0-1 KM SRH OF 150-250 M2/S2/ AND
   BOUNDARY LAYER DEWPOINTS IN THE MID-UPPER 70S WILL SUPPORT THE
   CONTINUED DEVELOPMENT AND MAINTENANCE OF SUPERCELLS...WITH THE
   THREAT EXPECTED TO EXTEND NWD TO NEAR A SURFACE BOUNDARY ACROSS SRN
   PA.  THE TORNADO THREAT WILL GRADUALLY DIMINISH LATER TONIGHT AS THE
   BOUNDARY LAYER STABILIZES.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
   MEAN STORM MOTION VECTOR 19025.
   
   
   ...THOMPSON
   
   
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