A massive squall rolled through the Bol d'Or mirabaud race on Lake Geneva. This is a long distance race featuring a wide assortment of multihulls and keelboats. Luckily no fatalities in the race though a tourist died on a sightseeing boat.
Facebook has a short clip.
A view from the mast-base-cam of one of the competitors.
Bio Video from the Art Shutter Channel
18 hours ago