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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In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
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...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...
The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...