There are 3 years (81-82, 83-84 and 00-01) in modern era with cooler ENSO regime and a QBO structure that is almost entirely -QBO except for most bottom layer (+QBO 100-50mb only). Here's their DJF and Dec 250mb anomalies. Sample size a problem of course. pic.twitter.com/PYKdBkUBF4

— Anthony Masiello (@antmasiello) November 26, 2017