DescriptionBaroclinic instability and sloping convection.jpg
English: A Baroclinic fluid with sloping isopycnals, intersecting with isobars. Small perturbations (B and C) from the original state (A) are shown and used to explain the process of sloping convection. For perturbations from A to B, a relatively dense fluid parcel is surrounded by lighter fluid, so the fluid parcel will sink back to location A (static stability). When a fluid parcel at A is perturbed to location C, the parcel is surrounded by relatively dense fluid and it will continue to rise further. Small perturbations now grow into larger ones (sloping convection).
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