Daily Archives: March 3, 2014

Our exceptionally cold winter has been the subject of this column a couple of times in the past few months. Some readers have asked how the jet stream might be related to cold air outbreaks.

As we have mentioned before, the jet stream is a ribbon of strong west-to-east winds located approximately 6 miles above the ground. The jet exists as a result of a pole-to-equator temperature difference throughout the entire depth of the lowest 6 or so miles of the atmosphere. Continue reading →