What is a snowstorm?

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asked Mar 22 in Weather by Tweetybirdy (800 points)
What is a snowstorm?

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answered Mar 23 by Jawed (2,400 points)
A snowstorm is a storm in which snow falls heavily.

During a snowstorm is may or may not thunder as well.

There have been times where I live I've had it thunder during a snowstorm but most often the snowstorm occurs with just heavy snow and wind blowing.

A storm where precipitation falls as snow is called a snowstorm.

During the winter, most precipitation forms as snow within the clouds because temperatures at the top of the storm are cold enough to make snowflakes.

Apart from large amounts of snowfall, at least 2 inches (5 cm) of snow in places where snow is not typical is considered a snowstorm.

However, snowfall of more than 6 inches (15 cm) is disruptive and is considered a snowstorm or winter storm in other parts of the country.

Winter storms create a higher risk of car accidents, hypothermia, frostbite, carbon monoxide poisoning, and heart attacks from overexertion.

Winter storms including blizzards can bring extreme cold, freezing rain, snow, ice and high winds.

The winter storms can last a few hours or several days.

Snow storms are usually caused by rising moist air within an extratropical cyclone (low pressure area.

The cyclone forces a relatively warm, moist air mass up and over a cold air mass.

If the air near the surface is not sufficiently cold over a deep enough layer, the snow will fall as rain instead.

A winter storm is a combination of heavy snow, blowing snow and/or dangerous wind chills.

A winter storm is life-threatening.

Blizzards are dangerous winter storms that are a combination of blowing snow and wind resulting in very low visibilities.

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