Scientific American: Unusual weather across the U.S. and other parts of the world just became more likely for this summer and autumn. That's because the chances have gone up that El Nio--an atmospheric pattern driven by water temperature changes in the Pacific Ocean--will develop during that time, according to the nation's leading climate experts. When El Nio settles in, it has major effects on weather conditions nationally and globally.
Scientists speaking at a press conference yesterday afternoon said the odds...