Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: FVAG01 at 04:59 UTC, 31/12/18 from SABM VA ADVISORY DTG: 20181231/0500Z VAAC: BUENOS AIRES VOLCANO: SABANCAYA 354006 PSN: S1547 W07150 AREA: PERU SUMMIT ELEV: 19576 FT [5967 M] ADVISORY NR: 2018/1435 INFO SOURCE: GOES-E. GFS WINDS. VOLCANO WEB CAMERA. AVIATION COLOR CODE: NOT GIVEN ERUPTION DETAILS: SPORADIC…