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: 20250610/1200
FLIGHT LEVEL: SFC/FL200
REMARKS: EXERCISE PLUME HEIGHT 10KM
ORIGINATOR: LONDON VAAC
POLY 1
N644733,W0163730
N642104,W0155230
N634538,W0123730
N633730,W0121828
N632218,W0120730
N632156,W0122230
N632732,W0135230
N633730,W0141529
N634119,W0152230
N635245,W0153730
N635444,W0163730
N640742,W0165230
N641046,W0172230
N642230,W0173414
N643415,W0172230
N644733,W0163730
