Welcome to the World of Clouds!

Get started with our one-minute video and quick cloudspotting quiz.

Course on top 10 Cloud Types

Cloudspotting 1: How to Spot the Ten Main Clouds

Learn to identify the ten main types, or ‘genera’, of cloud.


Cloudspotting 2: How to Spot Cloud Species & Varieties

Learn to identify all of the many cloud species and varieties.


Cloudspotting 3: How to Become an Expert Cloudspotter

Learn to identify the sometimes rare and fleeting cloud supplementary features, accessory clouds, special clouds, and the extreme-altitude clouds.