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

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

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

An instrument for measuring atmospheric pressure.

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.