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: 20200612/0500
VALID TO: 20200612/1100
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
N660154,W0152807
N654845,W0150426
N652615,W0144008
N651557,W0145422
N650345,W0150118
N644627,W0152807
N642622,W0160152
N641845,W0163700
N635710,W0170923
N641845,W0174145
N644115,W0174231
N650345,W0170857
N652615,W0164822
N653446,W0163537
N654845,W0155648
N660154,W0152807
