Cumulus mediocris clouds are the next step up from cumulus clouds. They have a similar appearance, but start to reach a little higher into the sky. Despite looking a little more mischievous ...

cumulus mediocris, cumulonimbus, and towering cumulus clouds when using OpenGL. The company says that this allows an entire cloud layer to be drawn with a single draw call, as opposed to one draw call ...

But have you ever seen those hat clouds form atop...another cloud? One particular towering cumulus cloud over Puget Sound had enough vertical structure to mimic a mountain top on Sunday ...

Pollen affects many millions of people each year. These tiny grains are known to trigger an allergic reaction known as hay ...