FVXX20 KNES 190307 CCA VA ADVISORY - CORRECTION DTG: 20170819/0307Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/309 INFO SOURCE: GOES-13. GFS MODEL WINDS. ERUPTION DETAILS: ONGOING VA AND STEAM EMISSIONS. OBS VA DTG: 19/0215Z OBS VA CLD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL150 045/10-15KT. FCST VA CLD +6HR: 19/0830Z FCST VA CLD +12HR: 19/1430Z FCST VA CLD +18HR: 19/2030Z RMK: 557 WW FOR WASHINGTON VAAC. ASH NOT VISIBLE ON LATEST METSAT IMAGERY. ...MIKHAYLEVSKIY NXT ADVISORY: WILL BE ISSUED BY 20170819/0900Z.