There’s a strong chance an El Nino weather event will reappear before the end of the year and shake up climate patterns worldwide, the U.N. weather agency said Thursday. The El Nino, a flow of unusually warm surface waters from the Pacific Ocean toward and along the western coast of South America, changes rain and temperature patterns around the world and usually raises global temperatures. An update Thursday from the Geneva-based World Meteorological Organization puts the odds of El Nino at 60 percent between June and August, rising to 75-80 percent between October and December. Read more at the Austin American-Statesman/Associated Press…