3. 2. Some blizzards may take up to 5 days of continuous snowing and wind. Blizzards only occur under certain weather conditions. Learn more about blizzards and how snow storms and ice storms are formed. A blizzard can decrease the visibility rate so much that it causes a whiteout, which is a large amount of falling snow that diminish all visibility and just shows the snow. This allows the cold air that comes from the north to collide with warm air coming from the south, which creates a strong storm system. tend to usually pile up around the East Coast area. Some blizzards may start as "Nor' Easters" but evolve into massive and severe storms. Do … Blizzard facts tell us that they are usually formed when the jet stream pitches very far south. A high amount of snow is the result of the moisture gathered by the storms in the Atlantic. The majority of the blizzards that affect the USA. The snowiest city in the United States is Rochester, NY. This is due to the East Coast being home to a type of storm called Nor’easters. Some blizzards can result in many feet of snow accumulating on the ground - causing major issues for traffic and snow-clearing crews. Interesting Blizzard Facts: Blizzards can cause treacherous conditions that result in accidents, deaths, and can cause entire cities to shut down.