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Severe Thunderstorm Watch 724
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WW0724 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 724
   NWS STORM PREDICTION CENTER NORMAN OK
   1005 AM EDT TUE JUL 22 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          DISTRICT OF COLUMBIA
          DELAWARE
          EASTERN MARYLAND
          PARTS OF SOUTHERN NEW JERSEY
          PARTS OF EASTERN VIRGINIA
          COASTAL WATERS
   
   EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 1005 AM UNTIL
   400 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 APPROXIMATELY ALONG AND 65
   STATUTE MILES EAST AND WEST OF A LINE FROM 5 MILES NORTH OF
   WILMINGTON DELAWARE TO 45 MILES SOUTHWEST OF NORFOLK VIRGINIA. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   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...COLD POOL MOVING EWD ACROSS CENTRAL APPALACHIANS IS
   SUPPORTING NEW THUNDERSTORM DEVELOPMENT. DAMAGING WINDS WILL BECOME
   INCREASINGLY LIKELY AS STORMS MOVES EWD INTO A VERY MOIST/UNSTABLE
   AIRMASS.
   
   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 27035.
   
   
   ...HALES
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Page last modified: July 22, 2008
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