- A cold front coming in as a long cloud bank
- W020499Z
- The storm with anvil in the background is already past its prime. It formed on a cold front which is now leaving it behind and coming in as a long cloud bank that looks like a gust front. The axis is not a flanking line and does not have separate towers along it because the surging wind-shift line does not leave time for proper convection. It behaves like a squall line but without the showers.
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