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: 20200515/1500
ISSUE TIME: 20200515/1517
VALID FROM: 20200515/1500
VALID TO: 20200515/2100
FLIGHT LEVEL: FL200/FL350
REMARKS: CONFIRMED BY INFRASOUND AND RADAR.
ORIGINATOR: LONDON VAAC
POLY 1
N635555,W0185037
N635443,W0163537
N633345,W0153752
N633124,W0134653
N631115,W0125209
N630642,W0113152
N621259,W0080922
N614115,W0071114
N613301,W0073537
N614820,W0105808
N620345,W0114148
N623359,W0160152
N624845,W0162803
N625029,W0174308
N633345,W0192352
N635555,W0185037
