This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Undulatus Asperatus clouds (Photo: Carter ...

If you had any doubt that air is a fluid, here’s proof! Clouds mimicking ocean waves astonished residents across northern Alabama last week. These clouds are known as undulatus asperatus — say that ...

Undulatus asperatus clouds, says WFAA meteorologist Ashton Altieri. The clouds rolled in just before the area saw some of the only raindrops this summer. A large portion of Dallas-Fort Worth saw ...

PORTLAND, Ore. — Puffy. Gray. Creamy. Ominous. If you saw these clouds in the Portland-Vancouver area Wednesday afternoon, perhaps you described them differently. But they were quite a sight to see.

WMUR. DOT COM. TURNING TO OUR WEATHER NOW, TAKE A LOOK AT THIS. LAURA SENT IN THESE PHOTOS TO OUR U LOCAL FACEBOOK PAGE TODAY. JUST TAKE A LOOK AT THOSE CLOUDS. AND JACQUI, I JUST LEARNED THAT THE ...

FINALLY TONIGHT, SOMETHING INTERESTING OVER THE SKIES OF THE GRANITE STATE. MANY VIEWERS SENT IN PHOTOS, THESE ONES FROM OVER WILDCAT MOUNTAIN. TAKE A LOOK AT THESE CLOUDS. THEY KIND OF LOOK LIKE ...

Since 1951 clouds have remained fairly easy to classify, with about 80 separate classifications officially recognised. But that could all be set to change next November if one enthusiast can seek ...

While "undulatus asperatus" might sound like an emperor in ancient Rome, or perhaps a lung disease, it's actually a type of cloud. This cool time-lapse video of the cloud was created by animating ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. When thunderstorms develop, they often ...

HOUSTON — After a rather sunny and relaxing start to the day here in Houston, a few isolated pockets of unsettled weather were brewing out to the west early in the midday hours. As the storms marched ...