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: 20250610/0900
ISSUE TIME: 20250610/0923
VALID: 20250610/1500
FLIGHT LEVEL: FL200/FL350
REMARKS: EXERCISE ERUPTION ONGOING
ORIGINATOR: LONDON VAAC
POLY 1
N643608,W0170730
N641440,W0085230
N632921,W0033730
N625541,W0012230
N620042,E0010730
N612230,E0022105
N610353,E0020730
N621052,W0013730
N620705,W0022230
N621853,W0025230
N621828,W0035230
N622823,W0050730
N634325,W0143730
N641126,W0172230
N642230,W0173334
N643608,W0170730
