The Aurora Zone Blog

Let’s Go Round Again!

The Sun is currently in the declining stage of Solar Cycle 24 and this has prompted some speculation that Auroral displays will become less commonplace. Fortunately, this is not the case because the Aurora stems from two sources: Coronal Mass Ejections and Coronal Holes.

markku 332

During the declining stage of the Solar Cycle it is the less violent but more stable Coronal Holes that are the more likely to cause the Northern Lights to dance in our night skies and the beauty of these holes on the SUN’s surface is that they can come round time and again.

Last month (October 2016), a Coronal Hole sent solar winds racing across the vast vacuum of space and sparked geomagnetic storms in our atmosphere. The result was almost a week of Auroral displays.

Spaceweather.com reports that the same Coronal Hole has transited the far side of the Sun and now it is back. It’s slightly smaller (covering a mere quarter of the Sun’s visible surface!!!) than it was almost a month ago but it is still throwing solar winds in our direction. Experts anticipate that the winds will reach our atmosphere later today (22 Nov 16) and could very well spark yet more dancing lights.

image nasa sdo

This is why we like Coronal Holes. They may not be as explosive as Coronal Mass Ejections but they are far more stable and, as this current event illustrates, it means they can generate Auroras on more than one occasion. These displays will generally be in a more localised band across northern skies so it’s more important than ever to head north if you want to see the greatest of Nature’s natural wonders. 


Discover more about why the Northern won't disappear here

 © Markku Inkila taken 10/11/16, NASA/SDO

Read 455 times Last modified on Tuesday, 22 November 2016 15:22

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The Aurora Zone was born out of our love of all things wintery. We were already regular visitors to the likes of Norway, Finland, Sweden and Iceland thanks to a fascination with winter activities such as dog sledding, snowmobiling and the Scandinavian way of life. Many of our visits coincided with sightings of the Northern Lights and The Aurora Zone was born from a desire to share Mother Nature’s greatest wonder with as many people as possible. We have all been held in the Aurora’s thrall and our mission is to do our very best to ensure that our clients can experience that magical moment on their Northern Lights holiday.

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