FVXX23 KNES 070129 VA ADVISORY DTG: 20211107/0129Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/958 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONS VA CLD. OBS VA DTG: 07/0040Z OBS VA CLD: SFC/FL200 S0159 W07819 - S0201 W07819 - S0217 W07850 - S0201 W07843 - S0159 W07819 MOV W 10KT FCST VA CLD +6HR: 07/0630Z SFC/FL200 S0158 W07902 - S0200 W07819 - S0201 W07819 - S0212 W07900 - S0158 W07902 FCST VA CLD +12HR: 07/1230Z SFC/FL200 S0157 W07905 - S0159 W07819 - S0201 W07819 - S0213 W07905 - S0157 W07905 FCST VA CLD +18HR: 07/1830Z SFC/FL200 S0156 W07906 - S0159 W07819 - S0202 W07819 - S0216 W07905 - S0156 W07906 RMK: CONS VA CLD OBSD BY STLT SINCE 2130Z. VA MOVD WSW UNTIL 2300Z WHEN WSHFT STARTED MOVG VA W. VA OBSD TO 35 NMI WSW AND 22 NMI W OF SUMMIT. NWP MDLS FCST LTLCG IN WINDS THRU T+18HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20211107/0730Z