FVXX21 KNES 160910 VA ADVISORY DTG: 20230716/0910Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/503 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA EMS POSS OBS VA DTG: 16/0830Z OBS VA CLD: SFC/FL200 S0152 W07858 - S0200 W07822 - S0201 W07820 - S0207 W07859 - S0152 W07858 MOV W 20KT FCST VA CLD +6HR: 16/1430Z SFC/FL200 S0151 W07901 - S0158 W07823 - S0201 W07819 - S0210 W07908 - S0151 W07901 FCST VA CLD +12HR: 16/2030Z NO VA EXP FCST VA CLD +18HR: 17/0230Z NO VA EXP RMK: VA EM NOT SEEN ON STLT IMAGERY DUE TO CLD CVR. VA FL AND FRCST BASED ON PREVIOUS ADVISORY AND NWP MODELS. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20230716/1515Z