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: 20210611/1500
ISSUE TIME: 20210611/1449
VALID: 20210612/0300
FLIGHT LEVEL: FL200/FL350
REMARKS: ERUPTION ONGOING. SEE ANNOTATED SATELLITE IMAGERY FOR FURTHER DETAILS EXERCISE
ORIGINATOR: LONDON VAAC
POLY 1
N655332,E0033922
N650345,E0035018
N634542,E0023152
N623716,W0001652
N622654,W0015808
N623435,W0062808
N635933,W0170923
N641845,W0173811
N643757,W0170923
N641726,W0073537
N650657,W0041307
N640112,E0001653
N641845,E0012703
N654845,E0025904
N655332,E0033922
