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: 20250409/0400
FLIGHT LEVEL: SFC/FL200
REMARKS: EXERCISE EXERCISE EXERCISE ERUPTION IN PROGRESS TO 20KM
ORIGINATOR: LONDON VAAC
POLY 1
N663245,W0190730
N660034,W0183730
N655923,W0145230
N644600,W0100730
N635230,W0092633
N631102,W0112230
N644343,W0143730
N642230,W0173105
N632248,W0190730
N634150,W0202230
N650730,W0213824
N652230,W0212145
N645021,W0205230
N650743,W0202230
N655230,W0202002
N663245,W0190730
