Deadly storms brew in the foothills of the Rocky Mountains July, August, September and head off to the city of Calgary to cause much destruction. What will the storm season of 2012 bring?
On September 7, 1991 a Labour Day thunderstorm caused $342 million worth of insurable damage in Calgary. Thirteen additional hailstorms between 1981 and 1998 caused an estimated $600 million in damage in the Calgary area alone.
July 24, 1998 Orange-sized hailstones caused almost $300 million worth of damage in Calgary, as well as serious flooding. Notably, one-third of cars damaged by the storm were irreparable.
July 12, 2010, The hailstorm that pounded Calgary on July 12 eclipsed the record originally set in 1991, with insurable damages totalling at least $400 million, excluding agricultural crop damage. The storm brought hail as wide as four centimetres (over 1.5 inches).