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: GRIMSVOTN 373010
PSN: N6425 W01720
VOLCANIC ASH CONCENTRATION: LOW; 200 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20250610/1200
ISSUE TIME: 20250610/1149
VALID: 20250610/1200
FLIGHT LEVEL: FL200/FL350
REMARKS: EXERCISE PLUME HEIGHT 10KM
ORIGINATOR: LONDON VAAC
POLY 1
N643715,W0145230
N633347,W0053730
N631527,W0043730
N625230,W0041539
N624019,W0060730
N625535,W0102230
N633810,W0150730
N635230,W0153009
N640836,W0172230
N642230,W0173624
N643624,W0172230
N643715,W0145230
