National Weather Service says record-breaking event with power to supercharge weather becoming more likely El Niño is strengthening and the risks of a historic event with the power to supercharge extreme weather around the world are rising, according to the latest analysis from the US National Weather Service. Models show there is now an 81% chance that a very strong El Niño “that would rank among the largest El Niño events in the historical record going back to 1950” will develop before the end