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: 20200516/0300
VALID TO: 20200516/0900
FLIGHT LEVEL: SFC/FL200
REMARKS: CONFIRMED BY INFRASOUND AND RADAR.
ORIGINATOR: LONDON VAAC
POLY 1
N641840,W0174308
N641513,W0145422
N624845,W0121054
N603345,W0031605
N575615,E0081641
N561030,E0163537
N554351,E0160153
N554515,E0134653
N563130,E0080923
N584404,W0033923
N604717,W0120537
N622615,W0191751
N623248,W0250153
N631115,W0261423
N634837,W0253538
N641840,W0174308
