I just ran some composites for January 500mb anomalies for North America and the NE Pacific and the results ares stunning. It's incredible how certain anomaly patterns can lock in for decades and then drastically change to something different. To have such extreme anomaly signatures show up over such long time periods is pretty amazing. Anyway this clearly shows why January has sucked balls since 1980. The composite for 2007-13 is certainly an improvement from 1981-2006, but still a long way to go. The first two maps are from the cold phase. One is 1948-1980 and the other 1949-57. The next one is from the warm phase 1981-2006. The last map is from 2007-13. Obviously we need the positive center to move NW for things to get good.