FVXX20 KNES 291905 VA ADVISORY DTG: 20200529/1905Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/518 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: ONGOING VA CLDS SEEN IN SAT OBS VA DTG: 29/1840Z OBS VA CLD: SFC/FL200 S0158 W07820 - S0203 W07819 - S0226 W07904 - S0206 W07911 - S0158 W07820 MOV SW 10-15KT FCST VA CLD +6HR: 30/0030Z SFC/FL200 S0156 W07820 - S0203 W07819 - S0231 W07913 - S0206 W07917 - S0156 W07820 FCST VA CLD +12HR: 30/0630Z NO ASH EXP FCST VA CLD +18HR: 30/1230Z NO ASH EXP RMK: VA SEEN IN SAT AND EXTDG NEARLY 15 NM FM SUMMIT BEFORE BEING OBSC BY WX CLDS. MODEL GUIDANCE SHOWS A CONT SW-LY MOV THRU T+6 HRS. ... NXT ADVISORY: WILL BE ISSUED BY 20200530/0100Z