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: 20230210/1600
ISSUE TIME: 20230210/1533
VALID: 20230211/1000
FLIGHT LEVEL: FL200/FL350
REMARKS: KATLA ERUPTS TO 22KM+/-1KM, ASSESSED BY IMO MOBILE RADAR. SEE ANNOTATED SATELLITE IMAGERY FOR FURTHER DETAILS. EXERCISE.
ORIGINATOR: LONDON VAAC
POLY 1
N663227,W0102423
N645758,W0001652
N541115,E0154318
N545615,E0301944
N485827,E0282423
N473341,E0134653
N500345,E0093203
N522859,E0102422
N532615,E0070130
N575615,E0024411
N584115,E0053237
N592615,E0012401
N633345,W0033147
N650345,W0120754
N631127,W0185037
N663227,W0102423
