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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Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
An instrument for measuring atmospheric pressure.
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...