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.

  • This shelf cloud (Arcus) has three layers sandwiched together
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  • This common example of a gust front has a shallow shelf cloud
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  • A shelf cloud falling apart as outflow modifies and loses momentum
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  • Storm clouds coming: a well organized advancing supercell
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  • Gust front divides cold from warm air under a storm
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  • A low threatening dark cloud in a stormy sky
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  • A detached line of clouds along a weak gust front
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  • A flanking line doubles as a gust front during an outflow phase
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  • Renewed outflow on a storm makes for rapid formation of scud clouds
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  • A sharp, wedge-shaped lower lip of a shelf cloud as seen head-on
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  • The layers of a shelf cloud step downward as gust front approaches
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  • Close view of the bottom of a shelf cloud with scud teeth
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  • Wide view of an approaching shelf cloud on a severe storm
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  • An Arcus cloud surrounds the rain and hail curtain on a storm
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  • Arcus cloud sculpted into layers on the leading edge of a storm
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  • Changing clouds with an approaching gust front Arcus
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  • Recognizing gust front Arcus clouds: a thick, low Arcus or shelf cloud
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  • The approach of a gust front with strong winds to come
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  • There is red dust but no clouds along this gust front in dry air
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  • A deep shelf cloud ahead of a severe storm
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