November 12, 2015

Warmer-than-average waters in the tropical Pacific are expected to reach their peak soon. How has El Niño affected global weather so far this year?

October 8, 2015

The peak of El Niño is expected to arrive soon after peak pumpkin spice latte season. What are some of the winter weather effects seen during past El Niños?

September 10, 2015

The chance that El Niño will continue through Northern Hemisphere winter is currently about 95%. Blogger Emily Becker answers questions about what it all means.

August 13, 2015

ENSO forecasters are predicting this El Niño will be a strong one. What does that mean?

Bruce Lee
July 9, 2015

El Niño continues to build. What happened during June? What's the forecast? And what does Bruce Lee have to do with anything?

June 11, 2015

There’s a very high probability that El Niño will continue through the fall and early winter, and it could become a strong event.

May 14, 2015

Forecasters estimate the chance that El Niño will continue through the end of 2015 at greater than 80%. What's behind this confident forecast?

April 9, 2015

El Nino conditions strengthened in March. Where do forecasters think we're going from here?

Tropical Pacific sea surface temperature anomalies
March 5, 2015

After a long watch, NOAA has issued an El Niño Advisory. What changed? And what does it mean for U.S. weather?

February 5, 2015

At the beginning of February, the atmosphere was looking a little bit like El Niño. Is this just another rolling stone?