These layers of cirrus, cirrostratus, altocumulus, altostratus or stratocumulus clouds appear in at least two slightly different layers. Translucidus create a hazy shade of sunny.

So you have cirrus clouds, cirrostratus, and cirrocumulus. SEE MORE: Weather: Like It or Not! Mid-level clouds are from about 7,000 feet to 23, 000 feet.

Clouds that form at high altitude have names beginning with "cirr" or "cirro". Cirrocumulus, Cirrostratus, Cirrus. These are high level clouds ranging between 5 and 14 km (16,500-45,000 ft), and ...

Sundogs are an optical phenomenon associated with the reflection/refraction of sunlight by the numerous ice crystals that make up cirrus or cirrostratus clouds. The small, flat, six-sided crystals ...

Cirrus clouds form at high altitudes in the atmosphere, above 20,000 feet, in extremely cold temperatures. They are made of ice crystals and often appear thin, streaky and white.