WOUS64 KWNS 182217 WOU1 SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 221 NWS STORM PREDICTION CENTER NORMAN OK 617 PM EDT MON MAY 18 2026 SEVERE THUNDERSTORM WATCH 221 IS NO LONGER IN EFFECT. MIZ000-LHZ000-LCZ000-LMZ000-LEZ000-190000- /O.CAN.KWNS.SV.A.0221.000000T0000Z-260519T0000Z/ NO COUNTIES OR PARISHES REMAIN IN THE WATCH. NO MARINE ZONES REMAIN IN THE WATCH. $$ ATTN...WFO...APX...DTX...GRR...