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: 20200612/2100
VALID TO: 20200613/0300
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
N724236,W0041307
N723100,W0030538
N723300,W0012422
N721115,W0000745
N682615,W0070419
N642208,W0134653
N635813,W0145422
N635616,W0163537
N635616,W0170923
N644115,W0180204
N654255,W0170923
N671845,W0170059
N701845,W0151653
N714235,W0123922
N722416,W0095038
N724236,W0041307
