FVXX21 KNES 300526 VA ADVISORY DTG: 20190730/0526Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/817 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EM OBS VA DTG: 30/0450Z OBS VA CLD: SFC/FL160 N0004 W07801 - S0004 W07739 - S0005 W07739 - S0005 W07804 - N0004 W07801 MOV W 25-30KT FCST VA CLD +6HR: 30/1100Z SFC/FL160 N0001 W07805 - S0004 W07739 - S0005 W07739 - S0008 W07806 - N0001 W07805 FCST VA CLD +12HR: 30/1700Z SFC/FL160 NO ASH EXP FCST VA CLD +18HR: 30/2300Z NO ASH EXP RMK: THIN VA EM VISIBLE IN STLT IMAGERY MOV W FM SUMMIT FL160. VA MOSTLY DISP. NWP MODEL GUIDANCE AGREES WELL WITH OBS TRAJECTORY. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190730/1130Z