- A storm propagates upwind to form a new cell
- W010833Z
- A storm filling the left half of this scene to the south sends outflow air westward (to the right) to form a weak boundary that extends the storm's baseline. On this axis is a small but growing tower. In this way, the parent storm propagates upwind against the flow carrying it forward to form a new cell and possibly a new active core for the complex.
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