000 URNT11 KNHC 172140 97779 21334 10269 77400 01800 16016 23208 /0015 41515 RMK AF304 01BBA INVEST OB 18 SWS = 20 KTS ; 000 URNT11 KNHC 172140 97779 21334 10269 77400 01800 16016 23208 /0015 41515 RMK AF304 01BBA INVEST OB 18 SWS = 20 KTS ;