The Aurora Zone Blog

Green is the Colour.....or not!

Ali Mclean

Tuesday, 17 March 2015
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How appropriate that on St Patrick's Day, a huge geomagnetic storm should set the Aurora Borealis dancing across the skies from North America to Northern Scandinavia.

Due to the altitude with which solar particles collide with our atmosphere, the Aurora is usually predominantly green which seems to hit exactly the right St Patrick's Day notes. However, because of the sheer ferocity of the geomagnetic storm raging above our head, today's Auroras are likely to be multi-coloured with yellows, reds, pinks and blues as much to the fore as the more "traditional" green.

Our eyes will be fixed firmly northwards this evening because tonight could bring some spectacular skies such as those already witnessed last night from other parts of the globe.

Firstly, we'll need the heavy cloud currently obscuring the heavens to disappear if we are to see an Aurora of any hue so it may not be the Irish green we need tonight but instead, we are relying on a bit of Irish luck. And, if the clouds do part, we'll be hoping for a shamrock shaped corona or two......now that would be fitting on today of all days:-)

Come on weather gods, do your bit for St Patrick!!

Read 4008 times Last modified on Wednesday, 18 March 2015

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