FVXX20 KNES 281300 VA ADVISORY DTG: 20210128/1300Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/111 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 28/1210Z OBS VA CLD: SFC/FL190 S0159 W07831 - S0200 W07819 - S0201 W07819 - S0203 W07831 - S0159 W07831 MOV W 10KT FCST VA CLD +6HR: 28/1800Z SFC/FL190 S0200 W07819 - S0201 W07819 - S0207 W07830 - S0202 W07832 - S0200 W07819 FCST VA CLD +12HR: 29/0000Z NO VA EXP FCST VA CLD +18HR: 29/0600Z NO VA EXP RMK: LGT VA EMS IS OBS MOV W UP TO 11 NM FM THE SUMMIT. NWP MDL INDICATES A CONT W MOV THRU T+6 HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20210128/1900Z