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 temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
A very cold high pressure that originates over the Arctic Ocean.
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...