What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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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 decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...