FVXX21 KNES 091125 VA ADVISORY DTG: 20190809/1125Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/861 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: POSS ONGOING VA EMS OBS VA DTG: 09/1100Z OBS VA CLD: SFC/FL160 N0003 W07758 - S0004 W07739 - S0005 W07739 - S0005 W07801 - N0003 W07758 MOV W 20-25KT FCST VA CLD +6HR: 09/1700Z SFC/FL160 NO ASH EXP FCST VA CLD +12HR: 09/2300Z NO ASH EXP FCST VA CLD +18HR: 10/0500Z NO ASH EXP RMK: VA EM NOT VISIBLE IN STLT IMAGERY UNDER CLR WX COND. VA EM LIKELY GIVEN RECENT HISTORY. OBS BASED ON NWP MODEL GUIDANCE. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190809/1730Z