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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Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
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 tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
A type of cloud consisting mostly of small particles such as ice particles.