What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...