FVXX20 KNES 282145 VA ADVISORY DTG: 20150728/2145Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07740 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2015/152 INFO SOURCE: GEOPHYSICAL INST. ERUPTION DETAILS: GI OBS VA CLD AT 2050Z UP TO FL150 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