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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An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
An instrument for measuring atmospheric pressure.
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A very cold high pressure that originates over the Arctic Ocean.