Water vapor may be found in the air when it travels across a body of water, such as a large lake or the ocean. Water vapor is the term for the moisture in the air. Clouds and precipitation require moisture to create. The snow will then melt and change into rain or freezing rain on its way to the bottom if the air at surface level is too warm. Cold air to generate snow.įor snow to descend to the land, the temperature has to be cold both in the clouds where snowflakes form and at the ground surface. Warm air may also climb up a slope, forming clouds and blizzard snows.įor a blizzard to occur, these three conditions need to be met: 1. When warm and cold air collides, a front forms, which might result in snowfall. Winds pull frigid air from the poles toward the equator and warm, moist air from the equator toward the poles. How does Blizzard Occur?Ī blizzard occurs when a high-pressure system collides with a low-pressure system. However, they are more prevalent in the spring than in the fall when they occur outside of that timeframe. The majority of blizzards occur between December and February, the meteorological winter and peak snow season. It is the intensity of the wind that distinguishes a blizzard from a snowstorm and not the amount of snow. The average blizzard lasts three to four hours, but can last even longer depending on other existing weather conditions.Ī blizzard is an intense snowstorm with 35 miles per hour or higher winds that last for three hours or longer.The Great Blizzard of 1888 killed over 400 people in the US after 58 inches of snow fell.The city of Rochester, New York receives the largest amount of snow in the United States every year, experiencing some of the biggest blizzards in the country.More than 350 people died in the Great Appalachian Storm in 1950 in Canada and the United States.A severe blizzard can take place after a snowstorm because heavy winds cause the snow to shift and cause whiteouts, making the landscape difficult to identify.Blizzards begin as snow storms but are categorized as blizzards after sustaining winds of 35 miles per hour.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |