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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A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
An instrument for measuring atmospheric pressure.
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
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 low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...