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 weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.