FVXX21 KNES 080637 VA ADVISORY DTG: 20210808/0637Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/616 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS LIKELY OBS VA DTG: 08/0600Z OBS VA CLD: SFC/FL150 S0001 W07753 - S0004 W07740 - S0005 W07739 - S0005 W07753 - S0001 W07753 MOV W 10KT FCST VA CLD +6HR: 08/1200Z SFC/FL150 S0002 W07753 - S0004 W07739 - S0005 W07739 - S0005 W07753 - S0002 W07753 FCST VA CLD +12HR: 08/1800Z SFC/FL150 S0002 W07753 - S0005 W07739 - S0005 W07739 - S0007 W07753 - S0002 W07753 FCST VA CLD +18HR: 09/0000Z NO VA EXP RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN AREA BUT PERSISTENT HOTSPOT INDICATED ON VOLCAT. WEBCAM SHOWS CONTD ACTVTY AT SUMMIT LVL. NO CHG FCSTI N MDL WIND ALOFT THRU T+12 HR. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20210808/1230Z