What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...
A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...