FVXX20 KNES 212006 VA ADVISORY DTG: 20210621/2006Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/473 INFO SOURCE: GOES-16. VONA. NWP MODELS. VOLCAT. ERUPTION DETAILS: NEW VA EMS RPRTD OBS VA DTG: 21/1945Z OBS VA CLD: SFC/FL140 N0008 W07741 - S0004 W07739 - N0001 W07750 - N0008 W07741 MOV N 5KT FCST VA CLD +6HR: 22/0200Z NO VA EXP FCST VA CLD +12HR: 22/0800Z NO VA EXP FCST VA CLD +18HR: 22/1400Z NO VA EXP RMK: NEW VA EMS RPRTD. VA FCST TO MOV N TO NW FM SUMMIT BEFORE DISP. VO ACT LOW TO MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210622/0200Z