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: LANGJOKULL 371080
PSN: N6451 W01947
VOLCANIC ASH CONCENTRATION: LOW; 200 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20250812/1600
ISSUE TIME: 20250812/1630
VALID: 20250812/2200
FLIGHT LEVEL: FL350/FL550
REMARKS: EXERCISE - PLUME TO 12KM HIGH.
ORIGINATOR: LONDON VAAC
POLY 1
N670722,W0125230
N670601,W0120730
N663730,W0115313
N654156,W0133730
N645352,W0163730
N643738,W0190730
N643841,W0195230
N650619,W0195230
N650730,W0185145
N652132,W0183730
N653730,W0163708
N670722,W0125230
