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 mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A large body of air having similar horizontal temperature and moisture characteristics.
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
An instrument for measuring atmospheric pressure.
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...