| A | B |
|---|
| Cumulus meaning | Heap |
| Stratus meaning | Layer |
| Nimbus meaning | Rain-bearing |
| Cirrus | High, streaky clouds made of ice particles |
| Cirrus | May indicate rain is coming |
| Cirrocumulus | Thin, cloud sheets forming ripples like sand |
| Cirrostratus | Nearly transparent white cloud, makes halos around Sun & Moon; may indicate rain coming |
| Altocumulus | Gray-white cloud in sheets/particles |
| Altostratus | Gray, streaky cloud that may cover sky; may warn of rain |
| Stratocumulus | Rolling masses of gray or white cloud; snow may come |
| Stratus | Usually gray, low-lying uniform cloud; often produces drizzle |
| Cumulus | Piles or heaps of clouds; fair weather |
| Cumulonimbus | Heavy, towering storm cloud with dark base |
| Strato | Low |
| Cirro | High |
| Alto | Medium (between low and high) |
