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: HIGH; 4000 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20200612/1100
ISSUE TIME: 20200612/1134
VALID FROM: 20200612/1700
VALID TO: 20200612/2300
FLIGHT LEVEL: SFC/FL200
REMARKS: EXERCISE. IMO CONFIRM RADAR AND OTHER OBSERVATIONS SUGGEST ERUPTION ONGOING, BUT PLUME HEIGHT NOW 11KM. VA OBS MOV NE AT 30KT. EXERCISE
ORIGINATOR: LONDON VAAC
POLY 1
N713718,W0033923
N712615,W0024808
N705344,W0033923
N685534,W0091653
N680331,W0123922
N654845,W0142838
N642010,W0170923
N644115,W0173416
N650345,W0173257
N663345,W0164729
N673715,W0160152
N693013,W0134653
N703019,W0113152
N704350,W0091653
N713620,W0052037
N713718,W0033923
