FVXX21 KNES 120407 VA ADVISORY DTG: 20190712/0407Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/748 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 12/0350Z OBS VA CLD: SFC/FL160 N0001 W07837 - S0004 W07739 - S0005 W07738 - S0015 W07837 - N0001 W07837 MOV W 15KT FCST VA CLD +6HR: 12/1000Z SFC/FL160 S0001 W07848 - S0004 W07739 - S0005 W07739 - S0020 W07847 - S0001 W07848 FCST VA CLD +12HR: 12/1600Z SFC/FL160 NO ASH EXP FCST VA CLD +18HR: 12/2200Z NO ASH EXP RMK: DISCRETE VA EM VISIBLE IN STLT IMAGERY MOV W FM SUMMIT FL160. NWP MODEL GUIDANCE AGREES WELL WITH OBS TRAJECTORY. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190712/1000Z