Robert Thoren, 27, a mountain climber from Los Angeles, arrived here for a brief stay after a bout with pneumonia while backpacking near Lake Titicaca.

27岁的罗伯特·索伦是一位来自洛杉矶的登山爱好者，在的的喀喀湖附近徒步旅行时，染上了肺炎，之后他来到这里，本打算小住几天，不想一呆就是四年。

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"Some tornadoes are wrapped in rain, so it's basically impossible to see, which is extremely dangerous, " Mr. Thoren said.

WSJ: Tornado-Hit Oklahoma Struck Again; Mother and Baby Dead

It dumped around 7 inches of rain on Oklahoma City in the span of a few hours and made the tornado difficult to spot for motorists trying to beat it home, said Bruce Thoren, a meteorologist with National Weather Service in Norman.

WSJ: Tornado-Hit Oklahoma Struck Again; Mother and Baby Dead