FVXX21 KNES 201257 VA ADVISORY DTG: 20210920/1257Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/800 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONTINUED VA EMS OBS VA DTG: 20/1230Z OBS VA CLD: SFC/FL150 N0028 W07837 - S0003 W07739 - S0005 W07741 - N0019 W07841 - N0028 W07837 MOV NW 15KT FCST VA CLD +6HR: 20/1830Z SFC/FL150 N0033 W07834 - S0003 W07739 - S0005 W07741 - N0024 W07839 - N0033 W07834 FCST VA CLD +12HR: 21/0030Z SFC/FL150 N0024 W07841 - S0003 W07739 - S0005 W07741 - N0014 W07844 - N0024 W07841 FCST VA CLD +18HR: 21/0630Z SFC/FL150 N0017 W07843 - S0003 W07738 - S0005 W07741 - N0008 W07844 - N0017 W07843 RMK: VA CLD OBS IN STLT EXTENDING 63NM NW OF THE SUMMIT. LTLCG EXP THRU T+18 HRS. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20210920/1900Z