Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 18000 ft (5500 m) altitude or flight level 180 and is moving at 15-20 kts in S direction. The full report is as follows: FVXX20 at 18:54 UTC, 28/03/19 from KNES VA ADVISORY DTG: 20190328/1850Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 …