Mike Palmerino Telvent DTN Senior Ag Meteorologist
Thu Dec 12, 2013 03:00 PM CST

The northern branch of the jet stream features a blocking ridge between northeast Siberia and Alaska. The polar vortex over Canada, centered over south-central Canada. And a weak ridge over eastern Greenland and Iceland. This is a cold pattern for Canada. The southern branch of the jet features a migratory trough over the eastern pacific/Gulf of Alaska. Some ridging over the western U.S. And a trough over the eastern U.S. and western atlantic. Strong subtropical high pressure dominates most of Mexico, the Gulf of Mexico and the western Caribbean.


The U.S. and European models are in ...

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