What is Precipitation?
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet, and hail.
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A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...