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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

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...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

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

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

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

A cloud of irregular appearance, composed of irregular cloud fragments.

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...