SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 847
   NWS STORM PREDICTION CENTER NORMAN OK
   225 PM EDT TUE SEP 28 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          DISTRICT OF COLUMBIA
          DELAWARE
          EASTERN MARYLAND
          SOUTHERN NEW JERSEY
          SOUTHEAST PENNSYLVANIA
          EXTREME NORTHERN VIRGINIA
          COASTAL WATERS
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 225 PM UNTIL 900
   PM 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 70 STATUTE MILES EAST AND WEST
   OF A LINE FROM 30 MILES SOUTHEAST OF WASHINGTON DISTRICT OF COLUM
   TO 10 MILES WEST NORTHWEST OF LAKEHURST NEW JERSEY.
   
   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...CONTINUE...WW 846...
   
   DISCUSSION...MOIST/UNSTABLE AIRMASS IS PRESENT FROM THE DC AREA
   NORTHEASTWARD INTO SOUTHERN NJ.  SCATTERED THUNDERSTORMS ARE
   EXPECTED TO OVERSPREAD THIS REGION DURING THE AFTERNOON AS REMNANTS
   OF JEANNE APPROACH FROM VA.  FAVORABLE LOW LEVEL VERTICAL SHEAR
   PROFILES ARE EXPECTED FOR A RISK OF ISOLATED TORNADOES.
   
   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 18035.
   
   
   ...HART