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 amount of water vapor present in the air, which can affect comfort levels and weather conditions.
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

