What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...
A type of cloud consisting mostly of small particles such as ice particles.
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...