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: 20200612/2300
VALID TO: 20200613/0500
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
N715626,W0041307
N714438,W0030538
N712615,W0025152
N701059,W0044652
N680345,W0085258
N662923,W0105808
N644925,W0134653
N644240,W0145422
N650345,W0154432
N652615,W0152548
N663345,W0133903
N691115,W0094139
N695615,W0090112
N711230,W0070153
N713938,W0055423
N715626,W0041307
