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: 20250408/1600
ISSUE TIME: 20250408/1538
VALID: 20250408/1600
FLIGHT LEVEL: SFC/FL200
REMARKS: EXERCISE EXERCISE EXERCISE ERUPTION IN PROGRESS TO 20KM
ORIGINATOR: LONDON VAAC
POLY 1
N633730,W0193532
N635230,W0193653
N640631,W0192230
N640657,W0190730
N640714,W0185230
N640706,W0183730
N640503,W0182230
N635230,W0180951
N633957,W0182230
N633730,W0183156
N633156,W0183730
N632242,W0185230
N632235,W0190730
N632428,W0192230
N633730,W0193532
