According to the Natural Disasters Association, snow storms occur in locations where air and ground temperatures reach below freezing. North America and Canada experience around 10 snowstorms a year, each affecting appro... More »

Snowstorms are storms characterized by a significant volume of snow with accompanying high wind. A massive snowstorm with intense snowfall and strong winds that lasts for a long period of time is called a blizzard. More »

Winter storms develop when low pressure systems come into contact with a cold front or a warm front, which causes low temperature precipitation such as snow and freezing rain. Common types of winter storms caused by low ... More »

Floods occur when the ground is incapable of absorbing water from rainfall, melting snow or ice. Each spring, many regions experience warmer temperatures along with heavy precipitation. This is the ideal combination for ... More »

Freezing rain forms as snow, melts as it passes through a warmer layer of air and then becomes a super-cooled liquid, which freezes on impact. Freezing rain normally forms on the leading edge of a warm front overtaking a... More »

A blizzard requires three things to form: temperatures below freezing at ground level and in the clouds to allow snow to form, enough moisture to allow clouds and eventually snow to form, and a mass of warm air rising ov... More »

Several major snow storms that affected the East Coast occurred in 2011, 1993 and 1978. Some of these storms were single events, while others consisted of a series of blizzards that meteorologists and climatologists grou... More » Science Weather & Tides Storms