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 rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
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 high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...