| 1. | Cirrocumulus clouds form in sheets or patches and do not cast shadows.
|
| 2. | In extremely cold temperatures above the Arctic, more polar stratospheric clouds form.
|
| 3. | As the visitors depart, a small but angry cloud forms overhead.
|
| 4. | Clouds form when water vapor turns back into liquid water droplets.
|
| 5. | In suitable conditions, the characteristic " pennant " cloud forms downwind.
|
| 6. | These wavy, bluish-white clouds form at rarefied altitudes near 50 miles.
|
| 7. | If the air is cooled enough, condensation occurs and clouds form.
|
| 8. | At a sufficiently low temperature, water clouds form, which further increase optical albedo.
|
| 9. | Cirrus clouds form on other planets, including Mars, Jupiter, Saturn, Uranus, and possibly Neptune.
|
| 10. | Fog and clouds form through condensation around cloud condensation nuclei.
|