FVXX21 KNES 221720 VA ADVISORY DTG: 20210922/1720Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/810 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 22/1630Z OBS VA CLD: SFC/FL150 N0001 W07752 - S0004 W07740 - S0004 W07754 - N0001 W07752 MOV W 20KT FCST VA CLD +6HR: 22/2230Z SFC/FL150 N0002 W07752 - S0004 W07740 - S0005 W07755 - N0002 W07752 FCST VA CLD +12HR: 23/0430Z NO VA EXP FCST VA CLD +18HR: 23/1030Z NO VA EXP RMK: NEW VA EMS OBS MOV W IN STLT IMAGERY. VA FCST TO CONT W MOV THRU T+6HRS BEFORE DISP. CURRENT VO ACT LOW. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210922/2315Z