First, the city where you're going has an unexpected electrical outage.

首先，你要去的城市突然停电（electrical outage）了。

Continuing rain, heavy fog and electrical outages in the area interfered with the search work.

持续降雨，大雾弥漫和电力中断等恶劣环境让搜寻工作变得异常艰难。

What we were basically testing was a simulation of an electrical power outage.

我们基本上测试的是模拟停电。