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: 20250611/0300
FLIGHT LEVEL: SFC/FL200
REMARKS: EXERCISE ERUPTION ONGOING
ORIGINATOR: LONDON VAAC
POLY 1
N655141,W0195230
N652230,W0183457
N630722,W0022230
N620730,E0032233
N622643,E0045230
N592633,E0135230
N572230,E0155932
N513730,E0180823
N510926,E0170730
N541746,E0122230
N580730,E0102616
N591041,E0082230
N635713,W0222230
N645230,W0233214
N655141,W0195230
