- Wedge cloud from plow wind with wind shift boundary
- W930570S
- A severe straight-line wind event will arrive after this low shelf cloud passes. A cooling evening air mass has allowed the temperature-dewpoint spread to decrease. The lifted air just ahead of the wind shift boundary now condenses nearer the ground and the shape of the gust front's forward edge is clearly sketched by the pronounced wedge cloud. The wedge shape also hints at the original use of the term “plow wind”. It was not visible with higher bases earlier (see W930547S).
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