FVXX21 KNES 170638 VA ADVISORY DTG: 20230817/0638Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/476 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: NEW VA EM OBS IN SAT. OBS VA DTG: 17/0610Z OBS VA CLD: SFC/FL140 N0012 W07744 - S0004 W07738 - S0004 W07740 - N0007 W07755 - N0012 W07744 MOV NW 10KT FCST VA CLD +6HR: 17/1200Z SFC/FL140 N0013 W07745 - S0004 W07738 - S0005 W07740 - N0008 W07755 - N0013 W07745 FCST VA CLD +12HR: 17/1800Z NO VA EXP FCST VA CLD +18HR: 18/0000Z NO VA EXP RMK: VA OBS IN SAT MOV NW UP TO 17 NM FM SUMMIT AND BEGINNING TO DSIPT. OBS VA FL ESTD FM NWP MDLS AND VOLCAT ALERT. LTLCG FCST IN FL MVMT THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20230817/1245Z