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: FL350/FL550
REMARKS: EXERCISE EXERCISE EXERCISE ERUPTION IN PROGRESS TO 20KM
ORIGINATOR: LONDON VAAC
POLY 1
N643650,W0180730
N640108,W0130730
N632230,W0112657
N615230,W0113826
N613730,W0124522
N604641,W0132230
N623750,W0155230
N624159,W0163730
N632230,W0175726
N632350,W0192230
N633326,W0195230
N635230,W0200607
N641124,W0195230
N643650,W0180730
