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 reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
Snow that rises to 8 feet or higher.
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.
A very cold high pressure that originates over the Arctic Ocean.
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...