000 WAUS44 KKCI 221445 WA4S DFWS WA 221445 AIRMET SIERRA UPDT 2 FOR IFR AND MTN OBSCN VALID UNTIL 222100 . NO SGFNT IFR EXP OUTSIDE OF CNVTV ACT. . AIRMET MTN OBSCN...TX FROM 50NNW MRF TO 20SSW FST TO 70WNW DLF TO 100SSE MRF TO 70WNW MRF TO 50NNW MRF MTNS OBSC BY CLDS. CONDS ENDG 15-18Z. ....