FVXX23 KNES 291732 VA ADVISORY DTG: 20220429/1732Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/473 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS LIKELY W OF SUMMIT OBS VA DTG: 29/1700Z OBS VA CLD: SFC/FL210 S0158 W07831 - S0200 W07819 - S0201 W07819 - S0205 W07830 - S0158 W07831 MOV W 15KT FCST VA CLD +6HR: 29/2300Z SFC/FL210 S0159 W07841 - S0200 W07820 - S0201 W07819 - S0209 W07838 - S0159 W07841 FCST VA CLD +12HR: 30/0500Z NO VA EXP FCST VA CLD +18HR: 30/1100Z NO VA EXP RMK: VA EMS LIKELY OBS IN STLT IMAGERY BTWN WX CLDS. VA MOVG W/WSW OF SUMMIT. WEBCAM OBSC BY WX CLDS. VA FCST THRU T+6 HRS BASED ON NWP MDLS. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20220429/2330Z