When Will Polar Vortex Winds Decrease 2024. Overall, this means that a la niña event is. When a major ssw occurs, the wall of strong winds around the polar stratosphere can break, allowing cold air to escape the polar vortex and travel down to lower atmospheric.


When Will Polar Vortex Winds Decrease 2024

Following a polar vortex disruption in early march, winds at 60 degrees north (outlined in magenta) on march 16, 2024, were mostly from the east—a reversal of the normal wintertime circulation of the polar stratosphere. Most of the time, when the polar vortex becomes weak and unstable, we’ll see a portion of the vortex dip down over the country and bring about dangerously freezing.

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