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: MEDIUM; 2000 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20220114/1600
ISSUE TIME: 20220114/1540
VALID: 20220115/0400
FLIGHT LEVEL: FL200/FL350
REMARKS: EXERCISE EXERCISE EXERCISE
ORIGINATOR: LONDON VAAC
POLY 1
N664242,W0070153
N661538,W0062808
N663903,W0005037
N663345,E0002608
N654845,E0001106
N630032,W0091653
N631623,W0102423
N641845,W0122516
N641845,W0141607
N640532,W0145422
N635615,W0170947
N631400,W0185037
N635615,W0192059
N654307,W0145422
N654746,W0123922
N664242,W0070153
