Crazy Clouds: Understanding Unusual Sky Formations
As many of us learned in school, there are 10 basic kinds of clouds: Cirrus, Cirrocumulus, Cirrostratus, Altocumulus, Altostratus, Nimbostratus, Cumulus, Cumulonimbus, Stratocumulus, and Stratus. In the past, we’ve offered guides to how astute weather watchers can use those basic cloud shapes to predict the weather. But every so often, Mother Nature throws a curveball. Some types of clouds just don’t seem to fit neatly into any of these categories, while others are just downright unusual. Here’s a quick guide to some of the most eye-catching and bizarre cloud formations out there, how they form, and what they might mean.