FVXX20 KNES 082027 VA ADVISORY DTG: 20210508/2027Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/453 INFO SOURCE: GOES-16. ERUPTION DETAILS: VA NOT OBSD. OBS VA DTG: 08/2000Z OBS VA CLD: NO VA EXP FCST VA CLD +6HR: 09/0200Z NO VA EXP FCST VA CLD +12HR: 09/0800Z NO VA EXP FCST VA CLD +18HR: 09/1400Z NO VA EXP RMK: ALTHOUGH WX CLD CVR IS PRESENT OVR SUMMIT, LOW CONFDC IN VA CLDS IN PREV ADVY AND LACK OF VA CLDS OBSD SINCE, EVEN WITH BINOVC FOR MUCH OF THE TIME, ALLOW GREATER CONFDC NO VA CLDS PRESENT. ...HOSLEY NXT ADVISORY: NO FURTHER ADVISORIES