FVXX21 KNES 181725 VA ADVISORY DTG: 20230818/1725Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/482 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 18/1700Z OBS VA CLD: SFC/FL150 N0001 W07752 - S0004 W07739 - S0006 W07739 - S0005 W07753 - N0001 W07752 MOV W 10KT FCST VA CLD +6HR: 18/2300Z NO VA EXP FCST VA CLD +12HR: 19/0500Z NO VA EXP FCST VA CLD +18HR: 19/1100Z NO VA EXP RMK: VA EMS/CLDS NOT OBSD IN SAT DUE TO MET CLDS. VA FL/DIR BASED ON PREV ADVY AND MDL GUIDANCE. NWP MDL FCST THRU T+0HR. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20230818/2330Z