London VAAC: Volcanic ash advisories and graphics - detail

DTG: 20181214/1200Z

VAAC: LONDON

VOLCANO: HEKLA 372070

PSN: N6359 W01940

AREA: ICELAND

SUMMIT ELEV: 1490M

ADVISORY NR: 2018/003

INFO SOURCE: ICELANDIC MET OFFICE

AVIATION COLOUR CODE: RED

ERUPTION DETAILS: EXERCISE VOLCICE - HEKLA ERUPTING INITIALLY TO 18 KM, NOW 8 KM.

OBS VA DTG: 14/1200Z

OBS VA CLD: SFC/FL200 N6254 W02033 - N6534 W02249 - N6628 W01604 - N6516 W01547 - N6254 W02033 FL200/350 N6301 W02040 - N6530 W02054 - N6709 W01534 - N6435 W01431 - N6301 W02040 FL350/550 N6248 W02025 - N6635 W02049 - N6704 W01121 - N6511 W01402 - N6248 W02025

FCST VA CLD +6HR: 14/1800Z SFC/FL200 N6409 W02706 - N6756 W02552 - N6940 W00537 - N6307 W01856 - N6409 W02706 FL200/350 N6256 W01915 - N6603 W02848 - N7040 W00858 - N6807 W00540 - N6256 W01915 FL350/550 N6301 W02010 - N6531 W02356 - N7031 W01246 - N6914 E00253 - N6301 W02010

FCST VA CLD +12HR: 15/0000Z SFC/FL200 N6411 W03745 - N7025 W02535 - N7244 E00628 - N6150 W02227 - N6411 W03745 FL200/350 N6351 W03758 - N7334 W01514 - N7353 E01244 - N6255 W01920 - N6351 W03758 FL350/550 N6303 W02013 - N6558 W03526 - N7444 E00047 - N6959 E01708 - N6303 W02013

FCST VA CLD +18HR: 15/0600Z SFC/FL200 N5942 W04717 - N7353 W02731 - N7445 E01944 - N6226 W02158 - N5942 W04717 FL200/350 N5512 W05229 - N7339 W02449 - N7711 E03953 - N7152 E02529 - N5512 W05229 FL350/550 N6315 W01845 - N6217 W04233 - N7321 W02645 - N7647 E03336 - N6822 E02617 - N6315 W01845

RMK: EXERCISE EXERCISE EXERCISE ERUPTION IS ONGOING BUT WITH LESS INTENSITY. ASH PLUME IS NOW ASSESSED TO BE AT 8KM OVER HEKLA FROM TWO MOBILE RADAR. EXERCISE EXERCISE EXERCISE

NXT ADVISORY: NO LATER THAN 20181214/1830Z