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

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

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A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...