Both 1990 and 1949 are relatively strong analogs (a small piece of the long range forecasting puzzle) for February. Both featured neutral+ ENSO, notable AO spikes, similar high lat patterns. 10 day avg ensemble forecasts through 2/20 look strikingly similar to those years, too. pic.twitter.com/0xamWkc1xH

— John Homenuk (@jhomenuk) February 6, 2020