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: FL350/FL550
REMARKS: EXERCISE ERUPTION ONGOING
ORIGINATOR: LONDON VAAC
POLY 1
N643628,W0170730
N643341,W0130730
N635743,W0075230
N630922,W0035230
N625959,W0032937
N625230,W0030503
N624939,W0032230
N630059,W0040730
N630113,W0045230
N634106,W0112230
N635230,W0120459
N635604,W0135230
N640748,W0143730
N640832,W0170730
N642230,W0173424
N643628,W0170730
