Cold front at the surface
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Cold front above the surface
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Cold front frontogenesis
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Cold front at frontolysis
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Warm front at the surface
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Warm front above the surface
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Warm front frontogenesis
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Warm front frontolysis
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Occluded front at the surface
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Occluded front above the surface
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Quasi-stationary front at the surface
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Quasi-stationary front above the surface
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Quasi-stationary front frontogenesis
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Quasi-stationary front frontolysis
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Instability line
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Shear line
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Convergence line
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Intertropical convergence zone
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Intertropical discontinuity
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Axis of trough
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Axis of ridge
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High pressure center
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H
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H
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Low pressure center
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L
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L
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