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    Volcanic Ash

    London VAAC: Volcanic ash advisories and graphics - detail


    KATLA 372030 at 01:01 (UTC) on Tue 18 Nov 2025

    • Volcanic Ash Advisory (VAA)

    • Volcanic Ash Graphic (VAG)

    VA ADVISORY
    STATUS: EXER
    DTG: 20251118/0101Z
    VAAC: LONDON
    VOLCANO: KATLA 372030
    PSN: N6338 W01907
    AREA: ICELAND
    SUMMIT ELEV: 1490M
    ADVISORY NR: 2025/003
    INFO SOURCE: EXERCISE ERUPTION TIME 18.0000Z
    AVIATION COLOUR CODE: RED
    ERUPTION DETAILS: CONTINUOUS PLUMETO 20KM
    OBS VA DTG: 18/0101Z
    OBS VA CLD: SFC/FL200 N6338 W01922 - N6430 W01901 - N6438 W01700 -N6356 W01733 - N6318 W01903 - N6338 W01922 MOV NE 50KT FL200/350N6427 W01831 - N6520 W01604 - N6440 W01544 - N6316 W01906 - N6339W01927 - N6427 W01831 MOV NE 70KT FL350/550 N6511 W01613 - N6448W01539 - N6340 W01556 - N6310 W01915 - N6406 W01930 - N6511 W01613MOV NE 80KT
    FCST VA CLD +6 HR: 18/0701Z SFC/FL200 N6909 W01149 - N6645 E00002 -N6512 E00036 - N6317 W01908 - N6336 W01938 - N6909 W01149 FL200/350N7023 W01232 - N6655 E00508 - N6452 E00813 - N6353 E00238 - N6321W01947 - N7023 W01232 FL350/550 N6222 E00123 - N6325 W01957 - N6823W01225 - N6822 E00138 - N6444 E00944 - N6222 E00123
    FCST VA CLD +12 HR: 18/1301Z SFC/FL200 N6330 W02009 - N7307 W00608 -N6758 E00938 - N6233 E01856 - N5901 E01523 - N6358 W00040 - N6330W02009 FL200/350 N6327 W01931 - N7309 W01100 - N7140 E00637 - N6452E01906 - N5220 E02451 - N6316 W00025 - N6327 W01931 FL350/550 N6330W01942 - N7424 W00525 - N6612 E01907 - N5921 E02352 - N5526 E01852 -N6253 W00022 - N6330 W01942
    FCST VA CLD +18 HR: 18/1901Z SFC/FL200 N5303 E01525 - N6323 E00954 -N6329 W01932 - N7442 W01127 - N7006 E01951 - N5259 E03042 - N5303E01525 FL200/350 N6328 W01920 - N7638 W02201 - N7047 E02146 - N5453E03339 - N4548 E01621 - N6222 E00628 - N6328 W01920 FL350/550 N4806E01507 - N6154 E00614 - N6329 W01924 - N7517 W01704 - N7050 E02237 -N5126 E03341 - N4806 E01507
    RMK: EXERCISE EXERCISE VOLCEX25 S1 - RESUBMISSION OF PRODUCTS
    NXT ADVISORY: NO LATER THAN 20251118/1230Z
    Volcanic ash graphic

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