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.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...