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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

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A type of cloud consisting mostly of small particles such as ice particles.

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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 measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...