当这种情况发生的时候，本影无法到达地球，非本影阴影就会出现在地球表面。

When this happens, the umbra cannot reach Earth and an antumbra shadow is created over the planet's surface.

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首先出现水位的逐渐变化，这是风暴到达前几小时的先兆。

Firstly comes a gradual change in water level, the forerunner, a few hours ahead of the storm's arrival.

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当气候到达一个顶点的时候，气候突变就是出现。

The collapse came when climate reached a tipping point.

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