Easterly Wave Disturbances over Northeast Brazil: An Observational Analysis

Figure 6

Relative vorticity (shaded, 10⁻⁵ s⁻¹) and streamlines composite anomalies in the period from April to July 2007 at 1000 hPa (left column), 850 hPa (center column), and 700 hPa (right column). The approximate trough axis is shown by dashed line.

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