Propagation: Stock photos of thunderstorm cloud systems which survive by propagation and formation of new cells.

  • A storm propagates down its flanking line axis in large steps
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  • Forward propagation: a delicate balancing act keeps storm alive
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  • An old storm is propagating forward in a large step
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  • A line of showers forms by slow, steady propagation
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  • Common form of thunderstorm propagation: new cells along axis
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  • This storm is in transition to forward propagation on its flanking line
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  • New storm initiation on an outflow boundary from a severe storm
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  • A storm propagates upwind to form a new cell
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  • An MCS Mesoscale Convective System propagates forward
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  • A subtropical easterly wave propagates forward
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  • Close-up of a gust front and storm cell propagation along a boundary
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  • Storm cell propagation often occurs down the south end of a squall line
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  • Storm motion versus growth by propagation: is rain coming?
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  • New thunderstorm by propagation
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  • Thunderstorm cell propagation: air ahead of a storm converges
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  • Propagation along the forward edge of a storm gust front
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  • Common form of thunderstorm propagation: a gust front thickens
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  • Storm with a long beaver tail cloud pointing to the moist outflow
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  • Storm cloud evolution by propagation with lowering baseline
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  • Classic example of forward propagation of storms
    • W951940Z
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