Gust fronts - before: Stock photos of gust fronts (shelf clouds or Arcus accessory clouds) as they appear on the forward edge, ahead of the cooler air and precipitation with a severe storm cloud complex.

  • A line of dark clouds comes with some gust fronts
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  • Shelf cloud with lowering where new cells are growing
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  • A weakening shelf cloud on a long gust front
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  • A gust front spans the horizon, almost overhead
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  • Shelf cloud with wedge shape with heavy rain core behind
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  • Gust front and shelf cloud on forward edge of a storm
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  • Dry gust front with thin cloud line and blowing dust
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  • Dry gust front with high-based shelf cloud
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  • A double shelf cloud on an advancing storm
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  • Very wide view of a severe storm over an interstate highway
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  • A ruffled shelf cloud on a curved outflow bulge
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  • Bank of low clouds with gust front ahead of hailstorm
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  • An Arcus, or shelf cloud, over a highway
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  • Severe storm with damaging straight-line winds
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  • Intracloud lightning illuminates a shelf cloud at night
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  • Wide view of massive black storm gust front (Arcus) over highway
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  • A storm pushes forward forming a shelf cloud
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