FVXX23 KNES 170344 VA ADVISORY DTG: 20190617/0344Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/670 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EM LIKELY OBS VA DTG: 17/0320Z OBS VA CLD: SFC/FL160 N0002 W07805 - S0004 W07739 - S0006 W07738 - S0010 W07805 - N0002 W07805 MOV W 15KT FCST VA CLD +6HR: 17/0930Z SFC/FL160 NO ASH EXP FCST VA CLD +12HR: 17/1530Z NO ASH EXP FCST VA CLD +18HR: 17/2130Z NO ASH EXP RMK: VA NOT VISIBLE IN STLT IMAGERY UNDER CLEAR CONDITIONS. OBS BASED ON NWP MODEL GUIDANCE. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190617/0945Z