Dark blue cloudy sky

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 closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...