London VAAC: Volcanic ash advisories and graphics
Volcanic Ash Advisories (VAA) and Graphics (VAG) links are provided for each message issued.
Volcanic Ash EXERCISE Tuesday 12th August 2025
London VAAC is conducting a volcanic ash exercise (VOLCICE), taking place on Tuesday 12th August 2025. Live products will be issued and marked with EXER or EXERCISE. Should a real eruption take place, the exercise will be cancelled and live products will not be marked with EXER or EXERCISE.