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 closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...