Bedi Singh was in his Sydney, N.S., apartment early Sunday afternoon with his girlfriend playing video games when a day of boredom was suddenly interrupted.

Between the snow accumulating outside of his ground-floor unit and the snow coming down from the building's roof, the pressure on windows in his unit was so intense that they started bursting.

"I was just on my bed and it fall down and boom, the living room [window] went down, my room window gone. Then 10 minutes later boom, another gone. The…