May 2015 ENSO Forecast: Will this El Niño be an overachiever?

According to the forecasters at the National Weather Service Climate Prediction Center, there’s a 90 percent chance that the current El Niño will continue through the summer. It is also estimated the chance that it will continue through the end of 2015 at greater than 80 percent. So what’s behind this confident forecast? Read more at Climate.gov…