health and wellness | February 18, 2026

What causes hole punch clouds?

What causes hole punch clouds?

As a plane flies through mid-level clouds, it forces air to expand rapidly and cool. Water droplets in the cloud freeze to ice and then turn to snow as they fall. The gap expands to create spectacular holes in the clouds. Hole-punch cloud.

Are ripple clouds rare?

Cirrocumulus is a relatively rare cloud, forming ripples which may resemble honeycomb.

What is a sky hole?

A fallstreak hole (also known as a cavum, hole punch cloud, punch hole cloud, skypunch, cloud canal or cloud hole) is a large gap, usually circular or elliptical, that can appear in cirrocumulus or altocumulus clouds.

How are mammatus clouds formed?

How do mammatus clouds form? Mammatus clouds are usually formed in association with large cumulonimbus clouds. Typically, turbulence within the cumulonimbus cloud will cause mammatus to form, especially on the underside of the projecting anvil as it rapidly descends to lower levels.

Where can you find mammatus clouds?

cumulonimbus anvil
Mammatus usually form on the base of a cumulonimbus anvil, but they have also been sighted to form on other cloud types, such as stratocumulus, altostratus and altocumulus. Mammatus have also been observed to form on the underside of volcanic ash clouds.

Are pink clouds rare?

Pink clouds are quite common in some parts of the world, while rare or totally absent in others. They appear mostly sunset and sunrise.

Where can I find mammatus clouds?

Mammatus usually form on the base of a cumulonimbus anvil, but they have also been sighted to form on other cloud types, such as stratocumulus, altostratus and altocumulus. Mammatus have also been observed to form on the underside of volcanic ash clouds.

Why can’t you fly through a nimbus cloud?

It is often said that the turbulence can be extreme enough inside a cumulonimbus to tear an aircraft into pieces. Thus, cumulonimbus are known to be extremely dangerous to air traffic, and it is recommended to avoid them as much as possible.

What is the tallest thunderstorm?

Intense thunderstorms have updrafts strong enough to punch through the tropopause, and the tops of such storms can grow to 65,000 feet. The world’s tallest thunderstorms, over the western equatorial Pacific where the tropopause tends to be highest, have been measured at nearly 14 miles high with tops to 75,000 feet.

How old is the oldest cloud on Earth?

Astronomers have discovered the largest and oldest mass of water ever detected in the universe — a gigantic, 12-billion-year-old cloud harboring 140 trillion times more water than all of Earth’s oceans combined.