What is Black Ice?
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt due to its transparency, thus posing a danger to drivers.
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The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...
An instrument for measuring atmospheric pressure.
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.