Have you ever seen a ceiling of clouds with bumpy, pouch-like formations hanging down? Those are called "mammatus clouds." FOX Weather Meteorologist Ari Sarsalari explains how they form and whether ...

After storms rolled through the Houston metro area Monday, you might have seen strange, pouch-like cloud formations. Those were mammatus clouds. These sac-like cloud shapes, whose name comes from ...

This forms a pouch-like appearance. These repetitive pouches are your mammatus clouds. Check out a couple pictures that were sent to us Sunday evening. The one below, from Kevin Stewart in Angier ...

Asperitas clouds are a distinctive, but relatively rare cloud formation that takes the appearance of rippling waves. These wave-like structures form on the underside of the cloud to make it look ...

"For the first time we can see the chemical cake while it's rising in the oven, instead of just the starting ingredients of ...

A viral video from 2022, showing a strange, dark cloud formation over Sydney, has resurfaced, sparking comparisons to dementors from Harry Potter. Despite the eerie appearance, experts have ...

That warm air is forced upward, cools rapidly, and condenses into a low, horizontal cloud formation. This process creates the classic shelf cloud—broad, arching, and often layered like a stack ...

Biological particles like pollen, bacteria, spores and plant matter floating in the air are particularly good at promoting ice formation in clouds, and EPFL climate scientists show that these ...

"Biological particles are very effective at forming ice in clouds, and the formation of ice is responsible for most of the precipitation the planet receives worldwide, because ice falls very ...

Tue, May 6, 2025 at 2:32 PM UTC ...