What is Relative Humidity?
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
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A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...