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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The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
A type of cloud consisting mostly of small particles such as ice particles.
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.