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: 20250610/0900
ISSUE TIME: 20250610/0923
VALID: 20250611/0300
FLIGHT LEVEL: SFC/FL200
REMARKS: EXERCISE ERUPTION ONGOING
ORIGINATOR: LONDON VAAC
POLY 1
N653422,W0195230
N650730,W0184704
N650305,W0145230
N633730,W0073956
N634043,W0093730
N631427,W0092230
N611527,E0020730
N594232,E0110730
N573730,E0141446
N570001,E0142230
N565314,E0133730
N592404,E0093730
N613454,W0005230
N641156,W0215230
N645230,W0225106
N653422,W0195230
