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: 20200516/0300
VALID TO: 20200516/0900
FLIGHT LEVEL: FL350/FL550
REMARKS: CONFIRMED BY INFRASOUND AND RADAR.
ORIGINATOR: LONDON VAAC
POLY 1
N640815,W0185037
N595908,W0030538
N584115,W0005504
N581922,W0012422
N581905,W0015808
N582642,W0033923
N593252,W0084307
N601711,W0113152
N624955,W0185037
N633345,W0195803
N635615,W0195002
N640815,W0185037
