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Severe Thunderstorm Watch 697
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WW0697 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 697
   NWS STORM PREDICTION CENTER NORMAN OK
   740 PM CDT WED AUG 9 2006
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          WESTERN MINNESOTA
          EASTERN NORTH DAKOTA
   
   EFFECTIVE THIS WEDNESDAY NIGHT FROM 740 PM UNTIL MIDNIGHT CDT.
   
   HAIL TO 1 INCH 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 85
   STATUTE MILES EAST AND WEST OF A LINE FROM 70 MILES NORTH OF
   FARGO NORTH DAKOTA TO 65 MILES SOUTH SOUTHWEST OF DETROIT LAKES
   MINNESOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
   
   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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 694...WW 695...WW 696...
   
   DISCUSSION...TSTMS EXPECTED TO MOVE/DEVELOP GENERALLY SE THROUGH MID
   TO LATE EVENING WITHIN TRIANGULAR-SHAPED REGION OF SURFACE-BASED
   INSTABILITY/WEAK LOW LEVEL CONVERGENCE EXTENDING SEWD FROM E CNTRL
   ND.  DEEP SHEAR...WHILE REMAINING MODEST...INCREASES WITH SWD
   EXTENT...AND MAY SUPPORT A FEW SUSTAINED STRUCTURES/POSSIBLE
   SUPERCELLS WITH HIGH WIND/HAIL.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
   A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION
   VECTOR 30020.
   
   
   ...CORFIDI
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