FVXX25 KNES 302343 VA ADVISORY DTG: 20210930/2343Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/847 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL VA CLD OBS VA DTG: 30/2300Z OBS VA CLD: SFC/FL220 S0202 W07820 - S0211 W07823 - S0222 W07855 - S0212 W07858 - S0202 W07825 - S0202 W07820 MOV SW 10KT FCST VA CLD +6HR: 01/0500Z SFC/FL220 S0154 W07902 - S0158 W07819 - S0203 W07819 - S0207 W07902 - S0154 W07902 FCST VA CLD +12HR: 01/1100Z NO VA EXP FCST VA CLD +18HR: 01/1700Z NO VA EXP RMK: A PSBL VA PLUME EXT 40 NM SW OF THE SUMMIT. VA FCST TO VEER TO W OVR NXT 6 HRS BASED ON NWP MODELS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20211001/0545Z