Valid From

Sep 30 18:20 UTC

Valid To

Sep 30 21:00 UTC

Hazard

Mountain Obscuration

WAUS41 KKCI 301820 AAA BOSS WA 301820 AMD AIRMET SIERRA UPDT 6 FOR IFR AND MTN OBSCN VALID UNTIL 302100 AIRMET MTN OBSCN...ME NH VT MA NY PA WV MD VA FROM MPV TO 50ESE MPV TO CON TO HAR TO 40NNE LYH TO 20WSW EKN TO EWC TO JHW TO SYR TO MPV MTNS OBSC BY CLDS. CONDS CONTG BYD 21Z ENDG 21-00Z.