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Severe Thunderstorm Watch 739
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WW0739 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.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 739
   NWS STORM PREDICTION CENTER NORMAN OK
   440 AM CDT THU AUG 24 2006
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          FAR EASTERN MONTANA
          WESTERN AND CENTRAL NORTH DAKOTA
   
   EFFECTIVE THIS THURSDAY MORNING FROM 440 AM UNTIL NOON CDT.
   
   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 115
   STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH
   NORTHWEST OF MINOT NORTH DAKOTA TO 20 MILES SOUTH SOUTHWEST OF
   DICKINSON NORTH DAKOTA.  FOR A COMPLETE DEPICTION OF THE WATCH
   SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   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 738...
   
   DISCUSSION...TSTMS NOW FORMING IN WARM ADVECTION/UPPER DIFFLUENCE
   ZONE DOWNSTREAM FROM APPROACHING UPPER IMPULSE IN MT EXPECTED TO
   GRADUALLY INCREASE IN COVERAGE/INTENSITY AS DISTURBANCE CONTINUES
   E/NEWD.  VARIATION OF DEEP WIND PROFILES IN TIME/SPACE ACROSS WW
   SUGGESTS THAT ACTIVITY MAY EVOLVE INTO SEVERAL SMALL CLUSTERS WITH
   VARIABLE STORM MOTIONS...BEFORE THE STORMS BECOME BETTER ORGANIZED
   AS THE SHEAR STRENGTHENS AND UNIFIES LATER THIS MORNING.
   
   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 24025.
   
   
   ...CORFIDI
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