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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

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

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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