- This cloud bank is a mesoscale gust front which is slowly deepening
- W031314Z
- The setting sun casts an eerie glow on the rippled underside of a dark and stormy cloud. A clear sky is swept aside by a long black cloud bank accompanying a change of temperature and wind direction. This mesoscale gust front, formed from the outflow of a distant severe storm, is slowly deepening as the boundary enters higher dewpoint air on its way south.
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