FVXX20 KNES 192209 VA ADVISORY DTG: 20250819/2209Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2025/791 INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: CONT VA EM OBS VA DTG: 19/2130Z OBS VA CLD: SFC/FL140 S0001 W07809 - S0004 W07739 - S0005 W07738 - S0009 W07809 - S0001 W07809 MOV W 10KT FCST VA CLD +6HR: 20/0330Z SFC/FL140 S0003 W07739 - S0005 W07739 - S0012 W07811 - S0003 W07812 - S0003 W07739 FCST VA CLD +12HR: 20/0930Z SFC/FL140 S0002 W07812 - S0004 W07739 - S0005 W07739 - S0012 W07811 - S0002 W07812 FCST VA CLD +18HR: 20/1530Z SFC/FL140 S0000 W07811 - S0004 W07739 - S0005 W07739 - S0010 W07812 - S0000 W07811 RMK: VA EM OBS IN STLT IMG MOVNG W AT APX 30 NMI FM SUMMIT. EXP GEN W MOVNT THRU T+18 HRS. FL BSD ON PST ACT. FCST BSD ON NWP MDLS. ...LINER NXT ADVISORY: WILL BE ISSUED BY 20250820/0415Z