How the polar vortex could deliver one last blast of wintry weather
The NAO is closely related to the Arctic Oscillation (AO) which describes how pent-up the Arctic’s cold air is. When the AO ...
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Freeze possible next week as Arctic air moves south
You're probably already familiar with one - El Niño. The specific teleconnection we're currently watching is called the Arctic Oscillation. It has to do with the strength of the polar jet stream ...
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How La Niña and Arctic Oscillation will impact East Tennessee’s snowfall
Another global feature we want to study and try to forecast is the Arctic Oscillation (AO). This is a climate pattern that helps to determine the shifts in pressure between the Arctic and the mid ...
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Why has it been so cold in Rochester? It's not just the polar vortex
including arctic air outbreaks in the winter. Research has found the Madden-Julian Oscillation, which travels the Earth every 30-60 days, and its position has a significant relationship with the ...
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North Georgia braces for decade-low February temperatures
A negative phase of the Arctic Oscillation allows deep intrusions of colder arctic air down from Canada.