IMPORTANT: ALWAYS CONSULT LATEST NOTAMS;  VOLCANIC ASH NOTAMS; ASHTAMS; OFFICIAL LONDON VAAC VOLCANIC ASH ADVISORY AND VOLCANIC ASH GRAPHICS; AND MET WATCH OFFICE VOLCANIC ASH SIGMETS
VOLCANO: KATLA 372030
PSN: N6338 W01907
VOLCANIC ASH CONCENTRATION: HIGH; 4000 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20220114/1500
ISSUE TIME: 20220114/1512
VALID: 20220115/0900
FLIGHT LEVEL: FL350/FL550
REMARKS: EXERCISE EXERCISE EXERCISE PLUME HEIGHT ESTIMATED AT 25KM
ORIGINATOR: LONDON VAAC
POLY 1
N671539,W0023153
N652606,E0070153
N642517,E0152807
N624314,E0185038
N584115,E0223405
N550819,E0235423
N484917,E0282423
N493644,E0253538
N573452,E0170922
N631115,E0035855
N641845,W0034553
N631158,W0185037
N635615,W0192154
N643945,W0174308
N670635,W0062808
N671539,W0023153
