London VAAC: Volcanic ash advisories and graphics - detail

DTG: 20180615/1440Z

VAAC: LONDON

VOLCANO: GRIMSVOTN 373010

PSN: N6425 W01719

AREA: ICELAND

SUMMIT ELEV: 1719M

ADVISORY NR: 2018/001

INFO SOURCE: ICELAND MET OFFICE

AVIATION COLOUR CODE: RED

ERUPTION DETAILS: ERUPT OF GRIMSVOTN IMMINENT OR IN PROGRESS. EXERCISE EXERCISE

OBS VA DTG: 15/1440Z

OBS VA CLD: NO VA EXP

FCST VA CLD +6HR: 15/2040Z NO VA EXP

FCST VA CLD +12HR: 16/0240Z NO VA EXP

FCST VA CLD +18HR: 16/0840Z NO VA EXP

RMK: EXERCISE EXERCISE EXERCISE INC SEISMICITY IN VATNAJOKULL SEEN IN LAST WK. IN LAST HRS SEISMIC ACTIVITY HAS BECOME SHALLOWER W INC MAG AND VOLC TREMOR. POSS ASH PLUME TO 25KM, TBC WITH IMO ASAP. AVI COLOUR STATE WAS ORANGE, NOW RED. EXERCISE EXERCISE

NXT ADVISORY: NO LATER THAN 20180615/1800Z