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639 

WWUS20 KWNS 070852

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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH - NUMBER 583

NWS STORM PREDICTION CENTER NORMAN OK

252 AM MDT SAT AUG 7 2010



THE NWS STORM PREDICTION CENTER HAS CANCELLED

SEVERE THUNDERSTORM WATCH NUMBER 583 ISSUED AT 1005 PM MDT FOR PORTIONS OF



         MONTANA

         NORTH DAKOTA

