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: 20220114/1500
ISSUE TIME: 20220114/1512
VALID: 20220115/0300
FLIGHT LEVEL: FL350/FL550
REMARKS: EXERCISE EXERCISE EXERCISE PLUME HEIGHT ESTIMATED AT 25KM
ORIGINATOR: LONDON VAAC
POLY 1
N665602,E0012423
N662433,E0070153
N641845,E0120900
N625909,E0123922
N575615,E0173800
N570342,E0170922
N611845,E0084730
N624845,E0024636
N635653,W0095038
N633345,W0174537
N631155,W0185037
N633345,W0192322
N641715,W0185037
N654536,W0142038
N661115,W0033649
N665602,E0012423
