WWUS20 KWNS 182217
SEL1  
SPC WW 182217
MIZ000-LEZ000-LHZ000-LMZ000-190000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH - NUMBER 221 
NWS STORM PREDICTION CENTER NORMAN OK 
617 PM EDT MON MAY 18 2026

THE NWS STORM PREDICTION CENTER HAS CANCELLED 
SEVERE THUNDERSTORM WATCH NUMBER 221 ISSUED AT 100 PM EDT FOR PORTIONS OF

         MICHIGAN
         LAKE ERIE
         LAKE HURON
         LAKE MICHIGAN