FVXX20 KNES 110928 VA ADVISORY DTG: 20190511/0928Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/522 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: POSS ONGOING VA EMS OBS VA DTG: 11/0910Z OBS VA CLD: SFC/FL170 N0007 W07801 - S0005 W07739 - S0005 W07739 - S0003 W07804 - N0007 W07801 MOV NW 10KT FCST VA CLD +6HR: 11/1500Z SFC/FL170 N0011 W07804 - S0005 W07739 - S0005 W07739 - N0003 W07808 - N0011 W07804 FCST VA CLD +12HR: 11/2100Z SFC/FL170 N0011 W07808 - S0005 W07739 - S0005 W07739 - N0002 W07812 - N0011 W07808 FCST VA CLD +18HR: 12/0300Z SFC/FL170 NO ASH EXP RMK: VA NOT VISIBLE IN STLT IMAGERY DUE TO MET CLD IN AREA. OBS BASED ON NWP MODEL GUIDANCE. ...BOLL NXT ADVISORY: WILL BE ISSUED BY 20190511/1530Z