FVXX23 KNES 180130 VA ADVISORY DTG: 20210718/0130Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/688 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: OCNL EM OBS VA DTG: 18/0110Z OBS VA CLD: SFC/FL190 S0157 W07819 - S0202 W07819 - S0210 W07843 - S0201 W07844 - S0157 W07819 MOV W 25KT FCST VA CLD +6HR: 18/0700Z NO VA EXP FCST VA CLD +12HR: 18/1300Z NO VA EXP FCST VA CLD +18HR: 18/1900Z NO VA EXP RMK: VA NOT DETECTED FM STLT IN OVR 6 HOURS. OBS VA BASED ON NWP MODELS WITH FAIR CONFIDENCE. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20210718/0730Z