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: LOW; 200 MICROGRAMS PER CUBIC METRE CONTOUR
ISSUE TYPE: EXERCISE
MODEL RUN: 20200515/1500
ISSUE TIME: 20200515/1517
VALID FROM: 20200515/2100
VALID TO: 20200516/0300
FLIGHT LEVEL: FL350/FL550
REMARKS: CONFIRMED BY INFRASOUND AND RADAR.
ORIGINATOR: LONDON VAAC
POLY 1
N635615,W0185037
N633048,W0142038
N631113,W0134653
N630914,W0123922
N613754,W0073537
N605615,W0061737
N601115,W0061534
N594850,W0073537
N600510,W0102423
N605615,W0130744
N614136,W0181653
N624845,W0194348
N633345,W0195705
N635615,W0185037
