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: MEDIUM; 2000 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20200515/1500
ISSUE TIME: 20200515/1517
VALID FROM: 20200516/0300
VALID TO: 20200516/0900
FLIGHT LEVEL: FL200/FL350
REMARKS: CONFIRMED BY INFRASOUND AND RADAR.
ORIGINATOR: LONDON VAAC
POLY 1
N643729,W0213923
N605550,W0052037
N581837,E0055423
N571115,E0110055
N561809,E0160153
N560324,E0163537
N555322,E0160153
N554826,E0142037
N565610,E0070153
N593058,W0052037
N605917,W0120537
N625418,W0195807
N635615,W0224102
N641845,W0224318
N643729,W0213923
