Prof. Bin Wang and colleages have just published a paper in PNAS, entitled “historical change of El Nino properties sheds light on future change of extreme El Nino”. You can get a copy at: https://www.pnas.org/content/early/2019/10/15/1911130116
The attached is a figure shows how the El Nino types change over the past 120 years. I thought it would be good if you can use it in our website.
The media’ stories are now on the website and you can read them here: