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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Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...