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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An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A large body of air having similar horizontal temperature and moisture characteristics.
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.