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 periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....