- Storm cloud crown detail with double anvil at the tropopause
- W003941Z
- Storm cloud crown detail with double anvil at the tropopause. After W003937Z, the overshoot dome has also flattened into an even higher anvil with more bubbling below. Both anvils appear to be nearly circular in the light winds aloft. They spread out concentrically away from the accumulating air at the tropopause “barrier” at that level. See the decay stage in W003948S.
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