FVXX21 KNES 042103 VA ADVISORY DTG: 20211004/2103Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/856 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: FRQ VA EMS OBSD OBS VA DTG: 04/2030Z OBS VA CLD: SFC/FL160 S0003 W07740 - S0004 W07738 - S0014 W07753 - S0007 W07756 - S0003 W07740 MOV SW 15KT FCST VA CLD +6HR: 05/0230Z SFC/FL160 S0002 W07740 - S0004 W07738 - S0019 W07803 - S0009 W07806 - S0002 W07740 FCST VA CLD +12HR: 05/0830Z SFC/FL160 S0003 W07740 - S0005 W07738 - S0019 W07802 - S0011 W07805 - S0003 W07740 FCST VA CLD +18HR: 05/1430Z NO VA EXP RMK: FRQ VA EMS OBSD IN SAT EXT ABT 15 NM WSW OF SUMMIT. WEB CAM OBSC BY MET CLDS. NWP MDL FCST LTLCG THRU T+12HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20211005/0300Z