FVXX22 KNES 212227 VA ADVISORY DTG: 20230921/2227Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/581 INFO SOURCE: GOES-16. VONA. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: VONA RPTS VA EM 21/2158Z OBS VA DTG: 21/2200Z OBS VA CLD: SFC/FL140 N0002 W07738 - S0000 W07734 - S0005 W07739 - S0004 W07740 - N0002 W07738 MOV NE 10KT FCST VA CLD +6HR: 22/0400Z SFC/FL140 N0005 W07747 - S0004 W07739 - S0005 W07740 - N0000 W07751 - N0005 W07747 FCST VA CLD +12HR: 22/1000Z NO VA EXP FCST VA CLD +18HR: 22/1600Z NO VA EXP RMK: VONA RPTS VA EM MOV NE FM SUMMIT. MET CLDS OBSC AREA I SAT IMAGERY. OBS VA FL ESTD FM VONA AND NWP MDLS. FL MVMT FCST TO TURN TO NW BY T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20230922/0430Z