- Cloud types: supercell Cumulonimbus thunderstorm cloud
- W890836S
- Cloud types, Cb: a supercell thunderstorm is pounding the area to the north with golfball hail. This compact, solid Cumulonimbus cloud has a very broad , well-organized strong updraft. Its strength and steady-state character is forming a uniform, thick, wide anvil that can be seen spreading to both sides of the central core.
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