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 prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
A very cold high pressure that originates over the Arctic Ocean.
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.