ORLANDO, Fla. – Several communities that saw storms Tuesday night caught a glimpse of a rare and beautiful optical phenomenon ...

Tuesday evening, if you happened to be looking up, you may have seen some rainbow-esqe clouds high in the sky.

This "cap cloud" has an interesting name The official name for this unique type of cloud is called Pileus, and they are a favorite amongst avid skywatchers, including myself!

The clouds must be very thin and made of ice crystals or water droplets of uniform size. So cloud iridescence usually happens in lenticular or alto-cumulus, cirrus and cirrocumulus clouds. "In the ...

Lenticular Clouds Shrouding the Peaks of Mount McKinley (Getty Images/Ron Sanford) On June 24, 1947, pilot Kenneth Arnold reported seeing multiple mysterious, gleaming circular objects along the ...

The vibrant scarf cloud looms over the houses below. Jam Press Pileus or scarf clouds form atop a growing, dense, puffy and white cumulus cloud, due to updrafts from a thunderstorm. Jam Press ...

The clip shows a cotton candy–like cloud formation appearing to spin above a snow-capped mountain peak. The "lenticular formation first started forming around 7 a.m. [local time]," said Yamaguchi.

The formation of a rare pileus cloud capping a common cumulus cloud is an indication that the lower cloud is expanding upward and might well develop into a storm.” September 7, 2022 at 1:12 PM.

Lenticular, or Sierra Wave Clouds, by Christopher Balladarez on May 25, 2021. (AccuWeather Photo Blog) Was a second 1947 UFO sighting also lenticular clouds?