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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Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
Snow that rises to 8 feet or higher.
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...