What is Hail?
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
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The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...