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 percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
The branch of science dealing with the laws of motion of air or other gases.
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...