FVXX21 KNES 120528 VA ADVISORY DTG: 20211012/0528Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/886 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 12/0320Z OBS VA CLD: SFC/FL150 S0004 W07739 - S0010 W07746 - S0006 W07749 - S0004 W07739 MOV SW 10KT FCST VA CLD +6HR: 12/0930Z SFC/FL150 S0004 W07739 - S0010 W07746 - S0005 W07749 - S0004 W07739 FCST VA CLD +12HR: 12/1530Z SFC/FL200 S0004 W07739 - S0010 W07746 - S0006 W07749 - S0004 W07739 FCST VA CLD +18HR: 12/2130Z NO VA EXP RMK: CONT VA EMS OBS MOV SW IN STLT IMAGERY. VA FCST TO CONT SW MOV THRU T+12HRS. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20211012/1130Z