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: FL350/FL550
REMARKS: CONFIRMED BY INFRASOUND AND RADAR.
ORIGINATOR: LONDON VAAC
POLY 1
N635600,W0185037
N635529,W0174308
N633345,W0164632
N633123,W0152807
N631115,W0144157
N630544,W0134653
N622615,W0125221
N615930,W0131308
N614503,W0142038
N620345,W0151854
N620610,W0160152
N624850,W0174308
N624920,W0181653
N633345,W0192400
N635600,W0185037
