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: 20250408/1600
ISSUE TIME: 20250408/1538
VALID: 20250408/2200
FLIGHT LEVEL: FL350/FL550
REMARKS: EXERCISE EXERCISE EXERCISE ERUPTION IN PROGRESS TO 20KM
ORIGINATOR: LONDON VAAC
POLY 1
N641954,W0163730
N640107,W0150730
N633730,W0142655
N625230,W0142851
N622230,W0135858
N621104,W0142230
N622703,W0155230
N625230,W0164919
N630847,W0182230
N632230,W0183815
N632239,W0190730
N635230,W0192127
N641701,W0185230
N641209,W0173730
N641954,W0163730
