FVXX24 KNES 192218 VA ADVISORY DTG: 20220819/2218Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/844 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 19/2130Z OBS VA CLD: SFC/FL200 S0147 W07950 - S0200 W07820 - S0202 W07817 - S0208 W07955 - S0147 W07950 MOV W 20KT FCST VA CLD +6HR: 20/0330Z SFC/FL200 S0143 W07954 - S0201 W07822 - S0202 W07819 - S0210 W07958 - S0143 W07954 FCST VA CLD +12HR: 20/0930Z NO VA EXP FCST VA CLD +18HR: 20/1530Z NO VA EXP RMK: VA IS CURRENTLY NOT OBS ON STLT DUE TO DENSE WX CLDS, BUT IS VISIBLE ON STLT 3 HRS AGO. VA IS DRAWN BASED ON PREV VAA AND NWP MDL WND. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20220820/0415Z