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: KATLA 372030
PSN: N6338 W01907
VOLCANIC ASH CONCENTRATION: HIGH; 4000 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20200515/1500
ISSUE TIME: 20200515/1517
VALID FROM: 20200515/1500
VALID TO: 20200515/2100
FLIGHT LEVEL: SFC/FL200
REMARKS: CONFIRMED BY INFRASOUND AND RADAR.
ORIGINATOR: LONDON VAAC
POLY 1
N640814,W0185037
N633328,W0170923
N633033,W0152807
N631115,W0144845
N630456,W0131308
N621920,W0102423
N620345,W0094537
N614439,W0105808
N614640,W0123922
N620345,W0133010
N621053,W0152807
N622630,W0160152
N622954,W0185037
N633345,W0195651
N640359,W0192422
N640814,W0185037
