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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A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.