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Tornado Watch 703
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WW0703 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 703
   NWS STORM PREDICTION CENTER NORMAN OK
   230 PM CDT SAT JUL 19 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHWEST IOWA
          PARTS OF SOUTHERN AND EASTERN MINNESOTA
          NORTHEAST NEBRASKA
          PARTS OF SOUTHEAST SOUTH DAKOTA
          PARTS OF NORTHWEST WISCONSIN
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 230 PM UNTIL
   1000 PM CDT.
   
   TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 50 MILES WEST NORTHWEST OF
   NORFOLK NEBRASKA TO 75 MILES EAST NORTHEAST OF MINNEAPOLIS
   MINNESOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
   
   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 702...
   
   DISCUSSION...THUNDERSTORMS INTENSIFYING ACROSS SRN MN INTO SERN SD
   WHERE AIR MASS HAS BECOME MDTLY UNSTABLE.  FAVORABLE SHEAR PROFILES
   FOR SUPERCELLS ALONG AND AHEAD OF BOUNDARY FROM N OF MSP TO W OF
   FSD.  TORNADOS ALONG WITH LARGE HAIL WILL BE POSSIBLE WITH ANY
   SUPERCELL.  STORMS SHOULD CONTINUE TO INCREASE IN NUMBER AND DEVELOP
   E/SEWD THRU THE AFTERNOON.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   550. MEAN STORM MOTION VECTOR 27030.
   
   
   ...HALES
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Page last modified: July 20, 2008
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