Puffy to wispy, barely there or dark and menacing, clouds come in many shapes and sizes. Each tells a story about what’s going on in the atmosphere.

DES MOINES, Iowa — The clouds can tell you a lot about the weather you will experience on a given day. Many Iowans woke up to seeing these stripes in the sky on this Friday morning. Altostratus ...

This type of cloud would block our view of the eclipse. Cirrus and altostratus clouds are higher up in the atmosphere where there is less atmospheric moisture content and could let some of the sun ...

When clouds form thick layers, we add the word “stratus”, or “layer”, to the name. Stratus can occur just above the ground, or a bit higher up – we call it altostratus then. It can occur ...

When clouds form thick layers, we add the word “stratus,” or “layer,” to the name. Stratus can occur just above the ground, or a bit higher up – we call it altostratus then. It can occur ...