A powerful hailstorm hit the Swiss city of Winterthur on August 1 as Switzerland celebrated its national day holiday.Video from Jonas Suter showed the hailstorm reduced visibility for drivers down to tens of feet while debris from trees rained down on cars. Swiss newspaper Blick reported that a severe storm swept through the cantons of Bern and Zurich towards northeast Switzerland late on Tuesday afternoon. Credit: Instagram/pubers25 via Storyful