Joel Burgio Telvent DTN Senior Ag Meteorologist
Wed Feb 12, 2014 12:57 PM CST

The northern branch of the jet stream features a blocking ridge extending from northeast Siberia westward across northern Asia. A trough over Alaska. A weak ridge over western Canada. The polar vortex over central Canada. And some weak ridging over interior eastern Canada extending into Greenland. This is a cold pattern for Canada. The southern branch of the jet features a flat ridge over the eastern pacific and western U.S. A trough over the south-central U.S. And a trough over the northeast U.S. Subtropical high pressure extends from southwest to northeast across the Caribbean.


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