What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....