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 29th April 2025
London VAAC is conducting a volcanic ash test, taking place on Tuesday 29th April. Live products will be issued and marked with EXER, EXERCISE or TEST. Should a real eruption take place, the exercise will be cancelled and live products will not be marked with EXER, EXERCISE or TEST.