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 long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...