Everyone's asking if the arrival of El Niño guarantees that 2015 will set a new record for warmest global temperature. In his latest blog, Deke Arndt explains why it's possible--maybe even likely--but not guaranteed.
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?