FVXX21 KNES 280710 VA ADVISORY DTG: 20210328/0710Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/317 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 28/0650Z OBS VA CLD: SFC/FL200 S0158 W07829 - S0159 W07820 - S0201 W07819 - S0203 W07829 - S0158 W07829 MOV W 10KT FCST VA CLD +6HR: 28/1300Z NO VA EXP FCST VA CLD +12HR: 28/1900Z NO VA EXP FCST VA CLD +18HR: 29/0100Z NO VA EXP RMK: PSBL LGT VA OBS IN SAT EXT UP TO 10 NM W FM SUMMIT BUT IS DFCLT TO DISCERN AGAINST WX CLD BACKGROUND. IR HOTSPOT PERSISTS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210328/1315Z