Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 . The full report is as follows: FVAU02 at 11:22 UTC, 21/04/19 from ADRM VA ADVISORY DTG: 20190421/1115Z VAAC: DARWIN VOLCANO: AGUNG 264020 PSN: S0821 E11530 AREA: INDONESIA SUMMIT ELEV: 3142M ADVISORY NR: 2019/37 INFO…