FVXX20 KNES 211107 VA ADVISORY DTG: 20190521/1107Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2019/024 INFO SOURCE: GUAYAQUIL MWO. VONA. GEOPHYSICAL INST. ERUPTION DETAILS: VONA RPRT WITH VA TO FL200 RMK: WE HAVE RECEIVED INFORMATION SUGGESTING A POSSIBLE VA EMISSION. WE WILL GATHER FURTHER INFORMATION AND ISSUE A FULL ADVISORY AS SOON AS POSSIBLE. NXT ADVISORY: AS SOON AS POSSIBLE