Going back in time, we can see that for a stronger/more NW low next weekend, we'd want to see a 500-hPa height trend towards:
— Tomer Burg (@burgwx) January 17, 2022
1. More amplified ridge over AK on 1/18 0z
2. Deeper NW US trough beginning from 1/19 0z onward pic.twitter.com/jtFODBJ6CF