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: 20250611/0600
FLIGHT LEVEL: SFC/FL200
REMARKS: EXERCISE PLUME HEIGHT 10KM
ORIGINATOR: LONDON VAAC
POLY 1
N652142,W0205230
N650726,W0193730
N650717,W0182230
N651354,W0173730
N645230,W0143945
N644612,W0145230
N643730,W0170748
N640931,W0172230
N642230,W0173939
N642640,W0192230
N643812,W0200730
N643946,W0215230
N642917,W0225230
N643730,W0233706
N644519,W0222230
N652142,W0205230
