pA powerful storm caused significant damage to the exterior of a building in Edmonton, Alberta, on May 24.ppThis video from George Desjarlais shows the damage at the Edmonton Marriott at River Cree Resort.ppStrong winds and heavy rain downed power lines, trees and business signs throughout the greater Edmonton area. Environment Canadaa said daily rainfall in the region topped two inches, breaking the record which has stood since 1920, according to CTVa.