FVXX21 KNES 050521 VA ADVISORY DTG: 20211205/0521Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1111 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS OBSD OBS VA DTG: 05/0500Z OBS VA CLD: SFC/FL150 S0000 W07753 - S0003 W07739 - S0004 W07739 - S0006 W07753 - S0000 W07753 MOV W 5KT FCST VA CLD +6HR: 05/1100Z SFC/FL150 N0000 W07756 - S0003 W07739 - S0005 W07739 - S0006 W07757 - N0000 W07756 FCST VA CLD +12HR: 05/1700Z SFC/FL150 N0000 W07756 - S0003 W07739 - S0005 W07739 - S0006 W07757 - N0000 W07756 FCST VA CLD +18HR: 05/2300Z NO VA EXP RMK: VA EMS OBSD IN WEBCAM BUT NOT SEEN IN SAT DUE TO MET CLDS. VA FL/DIR BASED ON MDL GUIDANCE. NWP MDL FCST LTLCG THRU T+12HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20211205/1115Z