Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: FVFE01 at 12:03 UTC, 26/12/19 from RJTD VA ADVISORY DTG: 20191226/1203Z VAAC: TOKYO VOLCANO: ASOSAN 282110 PSN: N3253 E13106 AREA: JAPAN SUMMIT ELEV: 1592M ADVISORY NR: 2019/635 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: POSS ACTIVITY CONT. VA CLD UNKNOWN AT 20191226/1200Z OBS VA DTG: 26/1150Z…