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: THORDARHYRNA 373012
PSN: N6416 W01737
VOLCANIC ASH CONCENTRATION: MEDIUM; 2000 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20220211/1500
ISSUE TIME: 20220211/1535
VALID: 20220211/2100
FLIGHT LEVEL: FL350/FL550
REMARKS: EXERCISE ERUPTION DETECTED ON INFRASOUND SENSOR WITH ASH PLUME VISIBLE ON RADAR AND WEBCAMS SOUTH OF VOLCANO
ORIGINATOR: LONDON VAAC
POLY 1
N653332,W0091653
N652055,W0044652
N644115,W0045445
N632803,E0012423
N624845,E0022235
N623104,E0012423
N635640,W0174308
N650142,W0163537
N653332,W0091653
