Heavy rains once again pounded parts of Brazil's southernmost state on Thursday, ruining days-long clean-up efforts and flooding areas which had previously been untouched in Rio Grande do Sul's capital city of Porto Alegre. But the skies opened once more on Thursday morning, dumping heavy rains and flooding areas of Porto Alegre all over again. In a span of 12 hours, parts of Porto Alegre received more rains than they typically do in a whole month, according to data from the national meteorologi