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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Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...