What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
Snow that rises to 8 feet or higher.
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...