FVXX20 KNES 141739 VA ADVISORY DTG: 20210214/1739Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/179 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 14/1720Z OBS VA CLD: SFC/FL190 S0146 W07820 - S0146 W07811 - S0201 W07818 - S0159 W07820 - S0146 W07820 MOV N 5KT FCST VA CLD +6HR: 14/2330Z NO VA EXP FCST VA CLD +12HR: 15/0530Z NO VA EXP FCST VA CLD +18HR: 15/1130Z NO VA EXP RMK: PSBL VA OBS MOV N UP TO 12 NM FM SUMMIT. VA IS DFCLT TO DISCERN AMONG SCT WX CLDS SO OBS VA AREA IS OF LOW CONFIDENCE. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210214/2345Z