Day 6-10 EPS z500 trend over Europe. Notice the blocking high (🔴) is stronger & retrograding west more quickly on later runs. This translates to faster -NAO development on the EPS (more like the GEFS)

This is exactly the kind of trend E US snow lovers should be rooting for
☃️❄️ pic.twitter.com/I5aemRrOKR

— Eric Webb (@webberweather) December 12, 2021