London VAAC: Volcanic ash advisories and graphics - detail

STATUS: EXER

DTG: 20210419/1248Z

VAAC: LONDON

VOLCANO: JANMAYEN 376010

PSN: N7105 W00809

AREA: NORWAY

SUMMIT ELEV: 2085M

ADVISORY NR: 2021/001

INFO SOURCE: SATELLITE IMAGERY

AVIATION COLOUR CODE: RED

ERUPTION DETAILS: EXERCISE VOLCICE - ERUPTION OF JAN MAYEN TO 12KM.

OBS VA DTG: 19/1300Z

OBS VA CLD: SFC/FL200 N7104 W00842 - N7200 W00718 - N7126 W00631 -N7030 W00751 - N7104 W00842 MOV NE 40KT FL200/350 N7104 W00842 -N7206 W00709 - N7151 W00553 - N7032 W00754 - N7104 W00842 MOV NE40KT FL350/550 N7104 W00842 - N7158 W00721 - N7126 W00633 - N7032W00755 - N7104 W00842 MOV NE 40KT

FCST VA CLD +6 HR: 19/1900Z SFC/FL200 N7040 W01031 - N7902 E01051 -N7338 E00615 - N7043 W00502 - N7040 W01031 FL200/350 N7119 W00905 -N7757 E00740 - N7601 E00949 - N7035 W00759 - N7119 W00905 FL350/550N7123 W00910 - N7612 E00256 - N7458 E00415 - N7035 W00758 - N7123W00910

FCST VA CLD +12 HR: 20/0100Z SFC/FL200 N8202 E01349 - N7914 E02708 -N7229 E00756 - N6819 W01455 - N8202 E01349 FL200/350 N7116 W00900 -N8213 E01447 - N7920 E02529 - N7036 W00801 - N7116 W00900 FL350/550N7120 W00907 - N7851 E01002 - N7851 E02145 - N7036 W00800 - N7120W00907

FCST VA CLD +18 HR: 20/0700Z SFC/FL200 N6957 W01005 - N8159 E00447 -N8146 E04506 - N6955 E00419 - N6957 W01005 FL200/350 N8158 E00215 -N8150 E02831 - N8059 E04607 - N7020 W00926 - N8158 E00215 FL350/550N7152 W00955 - N8049 E02136 - N8014 E04149 - N7037 W00802 - N7152W00955

RMK: EXERCISE PLEASE DISREGARD

NXT ADVISORY: NO LATER THAN 20210419/1800Z