London VAAC: Volcanic ash advisories and graphics - detail

STATUS: EXER

DTG: 20230414/1606Z

VAAC: LONDON

VOLCANO: HEKLA 372070

PSN: N6359 W01940

AREA: ICELAND

SUMMIT ELEV: 1490M

ADVISORY NR: 2023/002

INFO SOURCE: ICELAND MET, VONA, WEBCAM

AVIATION COLOUR CODE: RED

ERUPTION DETAILS: EXERCISE ERUPTION STARTED 14:50, VA PLUME ASSESSD18KM EXERCISE

OBS VA DTG: 14/1600Z

OBS VA CLD: SFC/FL200 N6302 W01940 - N6347 W02046 - N6430 W01941 -N6347 W01836 - N6302 W01940 MOV NW 10KT FL200/350 N6258 W01942 -N6407 W02121 - N6503 W01957 - N6356 W01818 - N6258 W01942 MOV NW 5KTFL350/550 N6321 W01908 - N6406 W02013 - N6439 W01922 - N6356 W01817- N6321 W01908 MOV E 5KT

FCST VA CLD +6 HR: 14/2200Z SFC/FL200 N6220 W01934 - N6446 W02418 -N6525 W02321 - N6436 W01654 - N6302 W01538 - N6220 W01934 FL200/350N6344 W02205 - N6456 W02533 - N6550 W02232 - N6411 W01326 - N6242W01540 - N6344 W02205 FL350/550 N6335 W02058 - N6514 W01842 - N6440W01600 - N6329 W01414 - N6244 W01728 - N6335 W02058

FCST VA CLD +12 HR: 15/0400Z SFC/FL200 N6608 W02824 - N6654 W02715 -N6536 W01621 - N6227 W00814 - N6227 W01852 - N6608 W02824 FL200/350N6539 W02831 - N6733 W02957 - N6632 W02219 - N6400 W00841 - N6041W00722 - N6539 W02831 FL350/550 N6255 W01859 - N6432 W02122 - N6534W01708 - N6410 W00957 - N6213 W00946 - N6255 W01859

FCST VA CLD +18 HR: 15/1000Z SFC/FL200 N6254 W02031 - N6927 W03752 -N6620 W01426 - N6222 W00220 - N6034 W00450 - N6254 W02031 FL200/350N6819 W03520 - N6909 W03402 - N6700 W01736 - N6355 W00220 - N5718W00004 - N6819 W03520 FL350/550 N6334 W01951 - N6624 W02046 - N6513W00656 - N6224 W00318 - N6116 W00449 - N6334 W01951

RMK: EXERCISE ASH FALL EXPECTED MORE HEAVILY TOWARDS EAST NEXT HRSEXERCISE

NXT ADVISORY: NO LATER THAN 20230414/2151Z