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   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 630
   NWS STORM PREDICTION CENTER NORMAN OK
   1250 PM EDT WED JUL 14 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          DISTRICT OF COLUMBIA
          DELAWARE
          MARYLAND
          SOUTHERN NEW JERSEY
          EASTERN VIRGINIA
          EASTERN WEST VIRGINIA
          COASTAL WATERS
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 1250 PM UNTIL
   700 PM EDT.
   
   TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
   TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS ALONG AND 95 STATUTE MILES EAST AND WEST
   OF A LINE FROM 45 MILES NORTHEAST OF BALTIMORE MARYLAND TO 70
   MILES SOUTH SOUTHWEST OF RICHMOND VIRGINIA.
   
   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 629...
   
   DISCUSSION...VEERING SHEAR PROFILES COUPLED WITH EXTREMELY UNSTABLE
   AIR MASS WITH APPROACH OF STRONG UPPER TROUGH SUPPORTS DEVELOPMENT
   OF SUPERCELL THUNDERSTORMS.  ALONG WITH TORNADOES...DAMAGING WINDS
   AND LARGE HAIL WILL DEVELOP EWD FROM BLUE RIDGE TO COAST BY THIS
   EVENING.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
   MEAN STORM MOTION VECTOR 26035.
   
   
   ...HALES