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: MEDIUM; 2000 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
N641655,W0174308
N640827,W0152807
N631115,W0140544
N624836,W0123922
N603345,W0040414
N581840,E0055423
N562615,E0132806
N561926,E0123922
N572040,E0044652
N591316,W0044652
N612611,W0134653
N622619,W0170923
N624700,W0235422
N634753,W0224652
N641655,W0174308
