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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The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Snow that rises to 8 feet or higher.
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...