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447 

WWUS20 KWNS 201103

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OKZ000-TXZ000-201100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH - NUMBER 311

NWS STORM PREDICTION CENTER NORMAN OK

603 AM CDT FRI MAY 20 2011



THE NWS STORM PREDICTION CENTER HAS CANCELLED

SEVERE THUNDERSTORM WATCH NUMBER 311 ISSUED AT 1140 PM CDT FOR PORTIONS OF



         OKLAHOMA

         TEXAS

