Various type of winter storms occur over Canada and produce major impa
cts on society. Canada is subjected to extra-tropical cyclones with al
l their embedded structures, as well as blizzards, mountain-induced st
orms, lake effect storms and polar lows. Many of these stems are accom
panied by heavy precipitation in the form of snow or freezing precipit
ation, bitterly cold conditions, strong winds, and blowing snow. The o
ccurrence and nature of these storms are discussed in this review arti
cle.