El Nino in 1997 and in 2015 (image) Georgia Institute of Technology Share Print E-Mail Caption On the right, satellite composition of El Nino in 1997, and on the left, El Nino in 2015. Both were extreme El Nino events that new hard evidence says are part of a new and odd climate pattern. Credit NOAA Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.