- A multicell storm type has formed a thunderhead with a hard anvil
- W031087S
- A multicell storm type cloud cycles through strong and weak stages. The latest stronger burst of rising air has formed a thunderhead with a new, hard anvil. The storm's updraft base extends to the southwest as a long, curved outflow boundary made barely visible by a few shreds of cloud. It separates the cooler air behind from warmer air ahead of the storm and line.
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