
Tutorial
Cirrus
Clouds
These high clouds are composed almost entirely of ice crystals. They display
a whispy, feathery appearance. Their base altitudes typically range from about
16,500 to 45,000 feet. Other high clouds include cirrocumulus,
and cirrostratus.
| Weather Tutorial: Low Clouds | Weather Tutorial: Middle Clouds |
| Weather Tutorial: High Clouds | Weather Tutorial: Vertically Advanced Clouds |