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: LOW; 200 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20250610/0900
ISSUE TIME: 20250610/0923
VALID: 20250610/2100
FLIGHT LEVEL: FL200/FL350
REMARKS: EXERCISE ERUPTION ONGOING
ORIGINATOR: LONDON VAAC
POLY 1
N645124,W0160730
N635230,W0044710
N623101,E0050730
N613402,E0075230
N575230,E0125612
N545230,E0143009
N535230,E0143155
N532556,E0140730
N552915,E0103730
N575947,E0075230
N603739,E0032230
N613730,W0000458
N632452,W0125230
N640736,W0172230
N643724,W0172230
N645124,W0160730
