WWUS20 KWNS 220613 SEL9 SPC WW 220613 DCZ000-DEZ000-MDZ000-NCZ000-VAZ000-WVZ000-CWZ000-220200- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH - NUMBER 509 NWS STORM PREDICTION CENTER NORMAN OK 213 AM EDT WED JUL 22 2026 THE NWS STORM PREDICTION CENTER HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 509 ISSUED AT 245 PM EDT FOR PORTIONS OF DISTRICT OF COLUMBIA DELAWARE MARYLAND NORTH CAROLINA VIRGINIA WEST VIRGINIA COASTAL WATERS