FVXX20 KNES 272300 VA ADVISORY DTG: 20210727/2300Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/730 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 27/2230Z OBS VA CLD: SFC/FL220 S0156 W07845 - S0159 W07819 - S0201 W07819 - S0200 W07845 - S0156 W07845 MOV W 10KT FCST VA CLD +6HR: 28/0430Z SFC/FL220 S0156 W07845 - S0159 W07819 - S0201 W07819 - S0200 W07844 - S0156 W07845 FCST VA CLD +12HR: 28/1030Z SFC/FL220 S0149 W07836 - S0159 W07820 - S0201 W07819 - S0153 W07837 - S0149 W07836 NO VA EXP FCST VA CLD +18HR: 28/1630Z RMK: VA NOT DETECTED ON STLT LAST HR DUE TO WX CLDS BUT NARROW VA PLUME WITH HOTSPOT WIIHIN 3 HR. NWP MDL WINDS FCST TO BE LGT/VRB BY T+12 HR SO VA PSN CONF LO. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20210728/0500Z