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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Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
A large body of air having similar horizontal temperature and moisture characteristics.
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...