FVXX22 KNES 230118 VA ADVISORY DTG: 20210523/0118Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/501 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 23/0040Z OBS VA CLD: SFC/FL210 S0158 W07910 - S0158 W07817 - S0203 W07817 - S0230 W07907 - S0158 W07910 MOV SW 15KT FCST VA CLD +6HR: 23/0630Z SFC/FL210 S0158 W07914 - S0158 W07819 - S0202 W07819 - S0226 W07915 - S0158 W07914 FCST VA CLD +12HR: 23/1230Z SFC/FL210 S0157 W07917 - S0158 W07818 - S0203 W07818 - S0224 W07919 - S0157 W07917 FCST VA CLD +18HR: 23/1830Z NO VA EXP RMK: INTERMITTENT VA EMS NOTED IN VOLCAT PROD AND IR STLT IMAGERY. VA MOV TO SW AND WSW OF SUMMIT. WEB CAM INOP. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20210523/0715Z