000 WAUS43 KKCI 210845 WA3S CHIS WA 210845 AIRMET SIERRA UPDT 1 FOR IFR VALID UNTIL 211500 . AIRMET IFR...NE KS OK TX FROM 20SSW BFF TO 30E SNY TO 40W MCK TO 40SSE HLC TO 40SW MMB TO 60NNE TCC TO 30ESE TBE TO 50W LBL TO GLD TO 20SSW BFF CIG BLW 010/VIS BLW 3SM PCPN/BR/FG. CONDS CONTG BYD 15Z ENDG BY 18Z. ....