In Arizona for example those clouds are usually the result of outflow winds caused by down drafts in the thunderstorm.

例如，在亚利桑那州，这些飞沙云团通常是雷暴中下降气流引起的外流风造成的。

This episode was edited by Pat Walters, who kept throwing down drafts like they were $15,000 bicycles and he was at the Tour de France.

本集由帕特·沃尔特斯 (Pat Walters) 编辑，他不断抛出草稿，就像扔出价值 15,000 美元的自行车一样，而且他参加了环法自行车赛。