366 A hailstorm that caused one billion dollars in damages in Calgary is the top weather story of 2020 Canada’s Top Ten Weather Stories of 2020 are ranked from 1 to 10, according to factors that include the impact they had on Canada and Canadians, the extent of the affected area, economic impacts, and longevity as a top news story. The Top Ten Weather Stories of 2020 Calgary’s Billion-Dollar Hailer Fort McMurray’s Flood of a Century Endless Hot Summer in the East St. John’s Snowmageddon The Year’s Most Powerful Tornado Frigid Spring Helps Canadians Self-Isolate Fall in Canada – Winter in the West and Summer in the East