Dark blue cloudy sky

What is Crepuscular Rays?

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric molecules and particles. Contrast is enriched by dry smoke, dust, and fog. If a cumulus-type cloud comes between the observer and the sun in the afternoon, there is a high chance of seeing these rays. The same phenomenon occurs when sunlight is refracted by a cloud layer.

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Glossary

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

A very cold high pressure that originates over the Arctic Ocean.

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...