- An axis of convection over tropical waters
![An axis of convection over tropical waters](http://www.skyartstock.com/peas/W887237S-SKYART.jpg)
- W887237S
- Cloud types, Cb: an axis of convection over tropical waters. The clouds are soft and fluffy owing to evaporation in dry air aloft. The main storm has a short anvil and black base with heavy rain, but other cells along the axis will be ready to step in when it dies.
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