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: HIGH; 4000 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20250610/1200
ISSUE TIME: 20250610/1149
VALID: 20250611/0600
FLIGHT LEVEL: FL200/FL350
REMARKS: EXERCISE PLUME HEIGHT 10KM
ORIGINATOR: LONDON VAAC
POLY 1
N651634,W0145230
N650730,W0105918
N645555,W0123730
N644613,W0132230
N643829,W0162230
N642908,W0163730
N642230,W0170219
N641026,W0172230
N642230,W0173434
N643730,W0173644
N645230,W0173448
N650237,W0172230
N650730,W0163301
N651523,W0155230
N651634,W0145230
