What is Baroclinicity?
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces of constant pressure intersect with surfaces of constant temperature.
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A type of cloud consisting mostly of small particles such as ice particles.
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...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.