<p>What would cause a polar vortex to become unstable a split into 3 smaller ones? How rare is this and what long term effects could this cause if the vortex stays unstable?</p>

<p><a href="http://www.severe-weather.eu/long-range-2/update-on-the-splitting-polar-vortex-and-winter-trends-across-the-european-continent-through-mid-january/" rel="noreferrer">http://www.severe-weather.eu/long-range-2/update-on-the-splitting-polar-vortex-and-winter-trends-across-the-european-continent-through-mid-january/</a>
<a href="https://i.sstatic.net/KYmSF.png" rel="noreferrer"><img src="https://i.sstatic.net/KYmSF.png" alt="enter image description here"></a></p>

<meteorology><climate-change><poles><vorticity>
Unstable North Polar Vortex?
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# Unstable North Polar Vortex?

(Asked by: username_0 on 2019-01-29)

What would cause a polar vortex to become unstable a split into 3 smaller ones? How rare is this and what long term effects could this cause if the vortex stays unstable?

<http://www.severe-weather.eu/long-range-2/update-on-the-splitting-polar-vortex-and-winter-trends-across-the-european-continent-through-mid-january/>
[![enter image description here](https://i.sstatic.net/KYmSF.png)](https://i.sstatic.net/KYmSF.png)

**Tags:** meteorology, climate-change, poles, vorticity


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## 0 answers

