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.

  • 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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  • Gust front with lightning bolt piercing detached shelf cloud
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  • Weakening outflow boundary and gust front
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  • Weakening gust front with an irregular, low shelf cloud
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  • Clouds on gust front rise into shelf cloud boundary
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  • A rough tube of scud below shelf cloud base
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  • Claw of low cloud on the gust front of a storm
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  • A shelf cloud pushed ahead of a storm by cold outflow air
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  • Arcus cloud on gust front of an MCS (Mesoscale Convective System)
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  • Wedge cloud from plow wind with wind shift boundary
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  • Streamlined, layered shelf cloud structure on a severe storm
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  • Multi-tiered shelf cloud on a powerful gust front
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  • Rain foot with scud and dust on gust front ahead of rain core
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  • A line of dark clouds comes with some gust fronts
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