The northern branch of the jet stream features a ridge over Alaska and northwest Canada. Some weak trough over north-central Canada. And some ridging over northeast Canada and Greenland. This is a mild pattern in western Canada, cool central and east.
The southern branch of the jet features a trough in the western Gulf of Alaska.
A ridge over the eastern Gulf of Alaska, eastern pacific and western U.S. And a trough over the central and eastern U.S. Subtropical high pressure is located in the vicinity of south Florida.
The U.S. and European models are in ...