This superstition isn’t far wrong, since cirrus and cirrostratus clouds are often the first sign of an approaching warm front. So whenever you spot a halo, chances are you can expect rain or ...

To best view a lunar halo, sky conditions must be clear with only a thin layer of cirrus clouds. If thicker clouds are present at lower levels, they'll obscure the halo effect.

Puffy, wispy, white and gray, we’ve seen them all this spring. Clouds come in a variety of types, and each type comes with ...

Finally, for a lunar halo to occur, cirrus clouds must be present. “Cirrus clouds are transparent and cover wide areas of the sky — up to thousands of miles ,” Space.com explains.

A halo, caused by light hitting ice particles in cirrus clouds, can be seen around the sun Tuesday, January 14, 2024, over Lafayette, La.

The halo or circle is created when light is refracted, reflected, and dispersed through ice crystals suspended in cirrus or cirrostratus clouds located at an altitude of 20,000 feet and higher ...

“With those cirrus clouds coming in, it can be a sign that a weather system is on its way,” he said. “Cloud layers typically start at high altitudes and work their way downward as a front ...

A Moon halo is created when moonlight passes through ice crystals in cirrus or cirrostratus clouds that remain high in the sky, usually 20,000 feet or more.

“It happens when the overhead sun’s rays pass through low-lying hexagonal ice crystals or crystal-bearing clouds (high cirrus clouds). Sun rays get refracted by 22 degrees because of the hexagonal ...