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: MEDIUM; 2000 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20200612/0900
ISSUE TIME: 20200612/0859
VALID FROM: 20200612/1500
VALID TO: 20200612/2100
FLIGHT LEVEL: FL200/FL350
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
N703428,W0073537
N703041,W0070153
N701845,W0064343
N695615,W0064823
N672628,W0102423
N654803,W0145422
N635815,W0170923
N641845,W0174007
N652615,W0174019
N655618,W0170923
N663345,W0170351
N682615,W0151508
N694531,W0123922
N701135,W0105808
N703428,W0073537
