London VAAC: Volcanic ash advisories and graphics - detail

DTG: 20180316/1615Z

VAAC: LONDON

VOLCANO: THORDARHYRNA 373010

PSN: N6416 W01737

AREA: ICELAND

SUMMIT ELEV: 1660M

ADVISORY NR: 2018/002

INFO SOURCE: ICELAND MET OFFICE

AVIATION COLOUR CODE: RED

ERUPTION DETAILS: EXERCISE EXERCISE EXERCISE ERUPTION IN PROGRESS AT THORDARHYRNA

OBS VA DTG: 16/1600Z

OBS VA CLD: SFC/FL200 N6422 W01715 - N6324 W02617 - N6428 W02813 - N6523 W02537 - N6422 W01715 FL200/350 N6432 W01724 - N6358 W02730 - N6451 W03118 - N6525 W02638 - N6432 W01724 FL350/550 N6428 W01714 - N6425 W02811 - N6542 W03124 - N6539 W02538 - N6428 W01714

FCST VA CLD +6HR: 16/2200Z SFC/FL200 N6652 W04108 - N6553 W03433 - N6506 W04045 - N6613 W04432 - N6652 W04108 FL200/350 N6751 W04317 - N6657 W03724 - N6601 W04325 - N6654 W04749 - N6751 W04317 FL350/550 N6850 W04847 - N6735 W04221 - N6656 W04804 - N6755 W05434 - N6850 W04847

FCST VA CLD +12HR: 17/0400Z SFC/FL200 N7034 W07634 - N6911 W06815 - N6810 W07708 - N6930 W08253 - N7034 W07634 FL200/350 N7300 W08220 - N7204 W07411 - N7036 W08111 - N7157 W09043 - N7300 W08220 FL350/550 N7428 W08821 - N7323 W07500 - N7204 W08339 - N7321 W09518 - N7428 W08821

FCST VA CLD +18HR: 17/1000Z SFC/FL200 N7558 W09353 - N7502 W08313 - N7342 W09208 - N7421 W10111 - N7558 W09353 FL200/350 N7807 W09653 - N7721 W08903 - N7601 W09610 - N7722 W10739 - N7807 W09653 FL350/550 N7959 W12259 - N7913 W11035 - N7724 W12116 - N7834 W13255 - N7959 W12259

RMK: EXERCISE EXERCISE EXERCISE. PLUME OBS BY IMO MOBILE RDAR TO 18KM. SEISMICITY AND TREMORS CONTINUE TO INCREASE IN THE LOCALITY. FORECAST TRAJECTORY SUGGESTS INCURSION INTO VAAC MONTREAL AREA OF RESPONSIBILITY. LIKELY HANDOVER TO VAAC MONTREAL. EXERCISE

NXT ADVISORY: WILL BE ISSUED BY 20180316/2100Z