FVXX20 KNES 072319 VA ADVISORY DTG: 20210407/2319Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/247 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: RPRTS OF NEW VA OBS VA DTG: 07/2250Z OBS VA CLD: SFC/FL140 S0002 W07751 - S0005 W07740 - S0005 W07740 - S0007 W07751 - S0002 W07751 MOV W 10KT FCST VA CLD +6HR: 08/0500Z SFC/FL140 S0002 W07750 - S0005 W07741 - S0006 W07740 - S0007 W07750 - S0002 W07750 FCST VA CLD +12HR: 08/1100Z NO VA EXP FCST VA CLD +18HR: 08/1700Z NO VA EXP RMK: VA EM NOT SEEN ON STLT IMAGERY. VO RPRTS VA AROUND FL140 MOV W. MODEL GUIDANCE AGREE. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20210408/0515Z