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 sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...