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 mass of very cold, dry air that mostly originates over the Arctic Ocean.
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...