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: FL350/FL550
REMARKS: EXERCISE EXERCISE EXERCISE
ORIGINATOR: LONDON VAAC
POLY 1
N662626,W0084307
N660654,W0023153
N662101,E0052038
N652615,E0095044
N641845,E0114803
N635615,E0105040
N620345,E0140421
N591805,E0163537
N621711,E0091652
N635615,W0000059
N635759,W0145422
N631312,W0185037
N633345,W0192127
N641355,W0185037
N654214,W0142038
N662626,W0084307
