Here's when to spot a lunar halo in the night skyAlthough many lunar phenomena are one-night-only events, a ring around the moon is much less elusive. Also known as a lunar halo, a bright white ring ...

The cloud forms that appear highest in the sky are cirrus, cirrocumulus, and cirrostratus, and they appear above 20,000 feet. Some clouds can be challenging to identify because they appear ...

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.

As a warm front approaches, cirrus clouds tend to thicken into cirrostratus, which may in turn thicken and lower into altostratus, stratus and even nimbostratus.

The Cirrus Safe Return™ Emergency Autoland system in all new SR20, SR22 and SR22T aircraft marks the first piston-powered aircraft equipped with Garmin's autonomous emergency landing system.

Intense laser light pulses increase the brightness of high cirrus clouds. Scientists have been investigating the interactions of laser light and ice clouds using a unique AIDA aerosol and cloud ...

Cirrus: wispy, feathery and hair-like Cirrostratus: widespread, veil-like or see-through Cirrocumulus: layered and forming in lines or rows ...

Cirrus: Around 15,000-25,000 feet above the cirrus and rain will not form from these. Made of ice crystals. Usually very thin and white in appearance. Other types: Cirrocumulus & Cirrostratus ...

In cirrus they give often almost the first intimation of coming change after settled weather, and are almost, if not quite, invariably followed within twenty four or thirty-six hours by thunder.

A newly released satellite photo shows furlike cirrus clouds over the Pacific Ocean, off the coast of Chile.