FVXX20 KNES 120538 VA ADVISORY DTG: 20210412/0538Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/266 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 12/0510Z OBS VA CLD: SFC/FL150 S0000 W07752 - S0003 W07740 - S0005 W07740 - S0005 W07752 - S0000 W07752 MOV W 5KT FCST VA CLD +6HR: 12/1100Z NO VA EXP FCST VA CLD +12HR: 12/1700Z NO VA EXP FCST VA CLD +18HR: 12/2300Z NO VA EXP RMK: PSBL FAINT VA OBS IN SAT MOV W UP TO 12 NM FM SUMMIT. WEBCAM SHOWS OCNL SMALL EMS. OBS VA FL BASED ON NWP MDLS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210412/1145Z