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: 20200515/2100
VALID TO: 20200516/0300
FLIGHT LEVEL: FL350/FL550
REMARKS: CONFIRMED BY INFRASOUND AND RADAR.
ORIGINATOR: LONDON VAAC
POLY 1
N635612,W0185037
N635258,W0170923
N633340,W0163537
N632940,W0145422
N631111,W0142038
N630849,W0131308
N624845,W0123554
N624505,W0113152
N615113,W0084307
N603345,W0064829
N600651,W0070153
N595534,W0080922
N603939,W0120537
N622615,W0181821
N633345,W0194743
N635612,W0185037
