WAUS41 KKCI 111445 WA1S BOSS WA 111445 AIRMET SIERRA UPDT 5 FOR IFR AND MTN OBSCN VALID UNTIL 112100 . NO SGFNT IFR EXP OUTSIDE OF CNVTV ACT. . AIRMET MTN OBSCN...NY PA WV MD VA FROM 40ESE BUF TO 20SE SLT TO 20WNW CSN TO 50N LYH TO HNN TO JHW TO 40ESE BUF MTNS OBSC BY CLDS/PCPN. CONDS DVLPG 15-18Z. CONDS CONTG BYD 21Z THRU 03Z. . AIRMET MTN OBSCN...NY PA WV MD VA FROM 30SSW SYR TO 20S HNK TO HAR TO 20WNW CSN TO 20SE SLT TO 30SSW SYR MTNS OBSC BY CLDS/PCPN. CONDS ENDG 15-18Z. . OTLK VALID 2100-0300Z...MTN OBSCN VT NY PA WV MD VA BOUNDED BY MSS-40W MPV-60SSW MPV-50S ALB-HAR-20WNW CSN-50N LYH- 40SW EKN-EWC-JHW-SYR-MSS MTNS OBSC BY CLDS/PCPN. CONDS CONTG THRU 03Z. ....