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: 20200612/0900
ISSUE TIME: 20200612/0859
VALID FROM: 20200612/0300
VALID TO: 20200612/0900
FLIGHT LEVEL: FL350/FL550
REMARKS: EXERCISE EXERCISE EXERCISE - ASH PLUME FROM GRIMSVOTN CONFIRMED TO 18KM FROM IMO RADAR DETECTION. AVIATION COLOUR CODE RED. EXERCISE EXERCISE EXERCISE
ORIGINATOR: LONDON VAAC
POLY 1
N641845,W0174123
N644115,W0173856
N650057,W0170923
N644115,W0163949
N641845,W0163722
N635725,W0170923
N641845,W0174123
