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WWUS20 KWNS 311140

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SPC WW 311140

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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH - NUMBER 778

NWS STORM PREDICTION CENTER NORMAN OK

640 AM CDT THU JUL 31 2008



THE NWS STORM PREDICTION CENTER HAS CANCELLED

SEVERE THUNDERSTORM WATCH NUMBER 778 ISSUED AT 125 AM CDT FOR PORTIONS OF



         SOUTH DAKOTA

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