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: 20210612/0900
FLIGHT LEVEL: SFC/FL200
REMARKS: ERUPTION ONGOING. SEE ANNOTATED SATELLITE IMAGERY FOR FURTHER DETAILS EXERCISE
ORIGINATOR: LONDON VAAC
POLY 1
N644031,W0163537
N624739,E0012423
N624845,E0025103
N633215,E0055423
N624845,E0060751
N615330,E0044652
N612558,W0005037
N622334,W0113152
N625451,W0145422
N621144,W0163537
N630149,W0174308
N622310,W0185037
N624845,W0193715
N635615,W0184835
N643906,W0174308
N644031,W0163537
