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: 20200612/1100
ISSUE TIME: 20200612/1134
VALID FROM: 20200612/1700
VALID TO: 20200612/2300
FLIGHT LEVEL: FL350/FL550
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
N704114,W0055423
N701845,W0053737
N695547,W0055423
N684845,W0071702
N673048,W0091653
N664409,W0105808
N663345,W0113724
N645210,W0142038
N642447,W0152807
N642145,W0160152
N644115,W0170345
N650345,W0170532
N674115,W0124710
N694642,W0091653
N702845,W0070153
N704114,W0055423
