Joel Burgio Telvent DTN Senior Ag Meteorologist
Wed Dec 11, 2013 01:29 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 central Canada. And a trough over Greenland. This is a cold pattern for Canada. The southern branch of the jet features a migratory trough moving through the ridge position over the eastern pacific/Gulf of Alaska. And a broad trough over most of the U.S. Strong subtropical high pressure dominates central and southern Mexico, the southern and eastern Gulf of Mexico, the northwest Caribbean and the southwest atlantic.


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

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