London VAAC: Volcanic ash advisories and graphics - detail

STATUS: EXER

DTG: 20250114/1539Z

VAAC: LONDON

VOLCANO: GRIMSVOTN 373010

PSN: N6425 W01720

AREA: ICELAND

SUMMIT ELEV: 1722M

ADVISORY NR: 2025/002

INFO SOURCE: IMO EXERCISE

AVIATION COLOUR CODE: RED

ERUPTION DETAILS: ERUPT VC GRIMSVOTN NR LAKI EXERCISE

OBS VA DTG: 14/1600Z

OBS VA CLD: SFC/FL200 N6353 W01852 - N6510 W01734 - N6511 W01558 -N6332 W01831 - N6353 W01852 MOV NE 40KT FL200/350 N6307 W01931 -N6437 W01811 - N6554 W01503 - N6534 W01418 - N6307 W01931 MOV NE60KT FL350/550 N6335 W01832 - N6411 W01908 - N6554 W01437 - N6513W01437 - N6335 W01832 MOV NE 60KT

FCST VA CLD +6 HR: 14/2200Z SFC/FL200 N6506 W01738 - N6920 W00621 -N6733 W00619 - N6317 W01928 - N6506 W01738 FL200/350 N6316 W01943 -N6717 W01434 - N6950 W00152 - N6806 E01024 - N6316 W01943 FL350/550N6323 W01931 - N6727 W01504 - N7000 E00639 - N6551 E01036 - N6323W01931

FCST VA CLD +12 HR: 15/0400Z SFC/FL200 N6413 W01912 - N6938 W00522 -N7046 E00552 - N6333 W01832 - N6413 W01912 FL200/350 N6352 W01941 -N7105 W00210 - N7112 E02910 - N5631 E01552 - N6352 W01941 FL350/550N6350 W02013 - N7127 E00425 - N6909 E02459 - N5740 E01738 - N6350W02013

FCST VA CLD +18 HR: 15/1000Z SFC/FL200 N6327 W01919 - N6553 W01650 -N7212 E01026 - N6924 E01019 - N6327 W01919 FL200/350 N4555 E00931 -N6337 W01910 - N6638 W01640 - N7341 E01628 - N6913 E04208 - N4555E00931 FL350/550 N5222 E01523 - N6335 W01906 - N6628 W01659 - N7259E01946 - N6759 E04002 - N5222 E01523

RMK: ERUPT CONFIRMED TO 12KM 14/1450Z BY RADAR, PSN 64.96 N 018.53 WDECIMAL. EXERCISE

NXT ADVISORY: NO LATER THAN 20250114/1800Z