FVXX20 KNES 070439 VA ADVISORY DTG: 20210407/0439Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/243 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 07/0420Z OBS VA CLD: SFC/FL150 N0004 W07749 - S0004 W07739 - S0005 W07740 - S0000 W07753 - N0004 W07749 MOV NW 10KT FCST VA CLD +6HR: 07/1030Z SFC/FL150 N0000 W07758 - S0004 W07739 - S0005 W07740 - S0004 W07759 - N0000 W07758 FCST VA CLD +12HR: 07/1630Z NO VA EXP FCST VA CLD +18HR: 07/2230Z NO VA EXP RMK: FAINT VA EM OBS IN SAT MOV WNW UP TO 15 NM FM SUMMIT BEFORE DSIPTG. WEBCAM SHOWS PSBL CONTG OCNL VA EMS. FL MVMT FCST TO TURN TO W BY T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210407/1045Z