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: FL350/FL550
REMARKS: EXERCISE PLUME HEIGHT 10KM
ORIGINATOR: LONDON VAAC
POLY 1
N641158,W0092230
N640523,W0083730
N640307,W0070730
N634710,W0052230
N631919,W0033730
N622528,E0003730
N621330,E0005230
N620620,E0012230
N620404,E0005230
N625632,W0032230
N631355,W0063730
N632853,W0080730
N635230,W0095129
N640730,W0100714
N641158,W0092230
