Northeastern Brazil's climate is largely driven by the Intertropical Convergence zone-an equatorial region where northern and southern hemisphere easterly trade winds converge.

巴西东北部的气候主要是热带辐合带，这是一种南北半球偏东信风衔接的赤道地区气候。

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The jetliner would have had to pass through a notorious storm patch shifting around the equator known as the Intertropical Convergence Zone.

该喷气式客机可能在飞过热带辐合带上空时遭遇雷雨天气。

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Barry Gromett, a meteorologist at the London Weather Centre, said that the aircraft was passing through an area known as the Intertropical Convergence Zone.

伦敦气象中心的Barry Gromett说，这架飞机经过的区域被称作热带辐合带。

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