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846 

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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH - NUMBER 497

NWS STORM PREDICTION CENTER NORMAN OK

103 AM CDT TUE JUL 20 2010



THE NWS STORM PREDICTION CENTER HAS CANCELLED

SEVERE THUNDERSTORM WATCH NUMBER 497 ISSUED AT 635 PM CDT FOR PORTIONS OF



         NEBRASKA

         SOUTH DAKOTA

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