- Thin, new Pileus cloud compressed by the flow above
- W993248Z
- Pileus cloud sequence, 3 of 4. While the main Pileus cloud is subsiding, a new one has formed slightly downwind and above the older one. This new tower pokes above the previous top after penetrating the older Pileus cloud. The thin, new Pileus cloud is compressed by the flow above and the pressure from below pushing a drier layer up into it.
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