What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
The branch of science dealing with the laws of motion of air or other gases.
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.