What is Heat Index?
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the 'apparent temperature.'
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The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...