000 WWUS20 KWNS 272057 SEL0 SPC WW 272057 NCZ000-CWZ000-272100- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH - NUMBER 870 NWS STORM PREDICTION CENTER NORMAN OK 457 PM EDT WED AUG 27 2008 THE NWS STORM PREDICTION CENTER HAS CANCELLED TORNADO WATCH NUMBER 870 ISSUED AT 915 AM EDT FOR PORTIONS OF NORTH CAROLINA COASTAL WATERS