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Fig. 1.


Radial vorticity maps from LCT at the surface and from RDA at depths 0.7, 9.9, and 16.5 Mm. The radial vorticity is averaged over one rotation (from May 20, 2010 to June 16, 2010). The LCT map is smoothed in latitude and longitude with a Gaussian filter (σ = 6°) to filter out small-scale convection.

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