El Niño is the 800-pound gorilla for the winter climate in the U.S., but in summer, it's more like a 6-pound Chihuahua.
Deke Arndt, chief of the Monitoring Branch at the National Centers for Environmental Information, kicks off a new blog that will cover how climate records are collected and updated, how we know what we know about the climate, and how we can use climate information to make our communities more resilient.
Forecasters estimate the chance that El Niño will continue through the end of 2015 at greater than 80%. What's behind this confident forecast?
Why is it so difficult to make a good ENSO prediction during the Northern Hemisphere spring?
ENSO is a complicated thing to model. What are the challenges, and how can we overcome them?