The northern branch of the jet stream features a blocking ridge over Alaska and northwest Canada. And the polar vortex over north-central and northeast Canada extending eastward across Greenland. This is a mild/cool weather pattern for much of Canada. The southern branch of the jet features a trough over the Gulf of Alaska. A strong ridge over the western US and a trough over the eastern US. Strong subtropical high pressure is located over Colorado with a moderate ridge in the atlantic near Bermuda.
The US and European models are in good agreement through 6 days, ...