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: 20250611/0300
FLIGHT LEVEL: FL200/FL350
REMARKS: EXERCISE ERUPTION ONGOING
ORIGINATOR: LONDON VAAC
POLY 1
N652031,W0142230
N650205,W0083730
N623415,E0023730
N592230,E0150114
N580730,E0163937
N573730,E0155912
N563730,E0165043
N562252,E0163730
N563730,E0155620
N551732,E0162230
N584953,E0120730
N604140,E0073730
N642338,W0125230
N640805,W0172230
N644943,W0172230
N652031,W0142230
