Rains in southern Brazil kill at least 37, more than 70 still missing
More than 70 people were still missing and at least 23,000 had been displaced in the state bordering Uruguay and Argentina, which had nearly half of its 497 cities affected, according to Rio Grande do Sul's civil defense. The state is at a geographical meeting point between tropical and polar atmospheres, which has created a weather pattern with periods of intense rains and others of drought. Heavy rains had already hit Rio Grande do Sul last September, as an extratropical cyclone caused floods