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: 20250610/1800
FLIGHT LEVEL: SFC/FL200
REMARKS: EXERCISE PLUME HEIGHT 10KM
ORIGINATOR: LONDON VAAC
POLY 1
N644654,W0170730
N641842,W0160730
N635137,W0140730
N624300,W0035230
N620730,W0013326
N615230,W0010303
N614541,W0012230
N615813,W0025230
N630043,W0083730
N632952,W0135230
N634359,W0155230
N635541,W0165230
N640756,W0172230
N642230,W0173716
N644654,W0170730
