Are we returning to an era of Dickensian Christmases?

December 18, 2009

BRITAIN-SNOW/Paths crunching under foot, pink-cheeked children throwing snowballs, trees glistening…..the ideal of a white Christmas is almost close enough to touch (with warm gloves) this year.

Most of us in the UK have grown up with the reality of a dull, grey, mild climate accompanying the Christmas revelry. But if some scientists are right, more of the snowy stuff at yuletide may be nigh.

It’s all to do with the Sun. Our star’s activity – reflected in solar flares and sunspots – moves in an 11 year cycle. So when the sun is at ‘solar maximum’ and most active, the intense solar wind causes the famous coloured aurora borealis.

But if you’ve been to Iceland recently hoping to catch a glimpse, you will probably have been disappointed. That’s because the sun is currently at ‘solar minimum’ – the least active time in its cycle.

What’s getting astronomers in a flap is that this solar minimum has been going on for an unusually long time.

For reasons that are poorly understood, there is some evidence that there is a strong link between global temperatures and solar activity. Simplistically, when the sun is relatively inactive, temperatures on Earth drop.

If projections are right, and the next solar cycle is also weak, then we could be looking at a stretch not seen since the ‘Dalton Minimum’ in the early nineteenth century – the same time that a certain young man named Charles Dickens was growing up.

Dickens as a child lived through an extended cold snap and experienced frequent white Christmases, no doubt influencing his novels and, later, our cruelly disappointed dreams of a winter wonderland.

The period was also the last time the Thames froze over, with the ice thick enough to allow an entire frost fair to be held on its surface.

So is this all going to happen again? Well, possibly….if human-induced climate change doesn’t spoil the party. But this year at least, Ladbrokes has shortened the odds on a white Christmas in London to 7/4, close to its shortest ever price.

Let it snow……


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The prediction of solar activity that this journalist has selected is one of the lowest (predicted sunspot number = 50) of a very wide range (40-180) as you can see at images/deepsolarminimum/pianoplot.jpg

Posted by theSkipper | Report as abusive

Furthermore, this solar minimum has NOT been going on for an unusually long time, as the journalist claims. In fact, the site she references states “The current solar minimum is part of that pattern [the 11-year cycle]. In fact, it’s right on time.”

Rather, this minimum is deeper than usual.

Posted by theSkipper | Report as abusive

This article is scientific nonsense.

As I pointed out previously, the current solar minimum has NOT been going on for a long time – it’s just deeper than usual.

There is NOT a strong link between global temperatures and solar activity, as Figs.4&5 in the link given ( ycles_24_and_25_and_Predicted_Climate_Re sponse_22nd_October.pdf) show. There is a lot of scatter in the plots, and the superimposed gradients depend on 1 or 2 points only.

There was no extended Dickensian cold snap in England, as Fig.2 shows – the lower temperatures during the Dalton Minimum were on the Continent.

Do you censor critical posts? My previous 2 (should be merged – sorry) and this seem to abide by your guidelines …

Posted by theSkipper | Report as abusive

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