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: 20220114/1500
ISSUE TIME: 20220114/1512
VALID: 20220115/0900
FLIGHT LEVEL: FL350/FL550
REMARKS: EXERCISE EXERCISE EXERCISE PLUME HEIGHT ESTIMATED AT 25KM
ORIGINATOR: LONDON VAAC
POLY 1
N673813,W0015808
N654212,E0073537
N643045,E0163537
N594845,E0224006
N523944,E0260922
N485403,E0293153
N454501,E0340152
N473713,E0282423
N471837,E0260922
N555012,E0185038
N605615,E0084917
N635627,W0080922
N631117,W0185037
N641840,W0185037
N673813,W0015808
POLY 2
N464115,E0281328
N465212,E0282423
N465210,E0285807
N464115,E0291427
N463026,E0285807
N461940,E0282423
N464115,E0281328
