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What is Blizzard?

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant falling and/or blowing snow that reduces visibility to less than 1/4 mile.

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Glossary

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...