Cumulonimbus capillatus
| Cumulonimbus capillatus | |
|---|---|
| Abbreviation | Cb cap. |
| Symbol | |
| Altitude | Ground to 23,000 m (75,000 ft) |
| Appearance | Dark-based storm cloud capable of impressive vertical growth, with a fibrous upper portion |
| Precipitation | Very often rain, snow, snow pellets, or hail; heavy at times |
A cumulonimbus capillatus is a cumulonimbus cloud with dense cirrus clouds above it, making the cloud top appear to contain hair-like structures. The name comes from the Latin word capillatus, meaning "with hair".
It is an intermediate stage between cumulonimbus calvus and cumulonimbus incus.