- Rotating wall cloud with RFD (rear flank downdraft) and clear slot
- W891628Z
- Wide-angle view of a large, rotating wall cloud under a passing supercell. The storm had produced a tornado and is about to form another one after this brief outflow phase. An RFD descending at the back of the mesocyclone has poked a hole through the left side of the lowering to form a clear slot. Note that the lowest part of the base is near the distant rain.
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