Climate Central: El Nio, El Nio, El Nio. Because of the implications it has for weather around the world, it's been the talk of the meteorological and climatological community since the first signs it might be developing emerged back in the winter. It's like the Marcia Brady of climate phenomena.
For example, hurricane forecasters expect it to tamp down on tropical cyclones in the Atlantic basin this season, while drought-weary officials in California hope it will finally bring them some rain. El Nio could...