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: FL350/FL550
REMARKS: ERUPTION ONGOING. SEE ANNOTATED SATELLITE IMAGERY FOR FURTHER DETAILS EXERCISE
ORIGINATOR: LONDON VAAC
POLY 1
N663147,W0073537
N661514,W0055423
N644115,W0031618
N641845,W0034445
N640045,W0044652
N634434,W0070153
N633928,W0095038
N634154,W0113152
N635726,W0123922
N635900,W0170923
N641845,W0173901
N645624,W0160152
N650309,W0123922
N652728,W0102423
N661530,W0084307
N663147,W0073537
