FVXX23 KNES 191018 VA ADVISORY DTG: 20221219/1018Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2022/1339 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS SW OF SUMMIT OBS VA DTG: 19/0950Z OBS VA CLD: SFC/FL220 S0200 W07820 - S0201 W07820 - S0220 W07830 - S0208 W07841 - S0200 W07820 MOV SW 10KT FCST VA CLD +6HR: 19/1600Z SFC/FL220 S0200 W07820 - S0201 W07820 - S0222 W07841 - S0207 W07852 - S0200 W07820 FCST VA CLD +12HR: 19/2200Z NO VA EXP FCST VA CLD +18HR: 20/0400Z NO VA EXP RMK: VA EMS OBS IN STLT IMAGERY MOVG APPRX 20NM SW OF SUMMIT. VA EMS EXP TO MOV SW/WSW THRU T+6 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20221219/1615Z