Sunday, January 26, 2014

2013 Year-End World Temperatures

A quick note now that the December, 2013, temperatures are in. For apples-to-apples consistency, I use the British HADCRUT3 data (which is the metric used by the UN's Intergovernmental Panel on Climate Change [IPCC]). I don't cherry-pick data. I always use HADCRUT unless stated otherwise.
As you can see, temperatures peaked in 1998 and have been flat since.

HADCRUT and GISS (the two primary land-based metrics) and UAH and RSS (the satellite-based metrics) are combined into a single metric by the very useful website Wood For Trees. Here is the combined index:
So, no matter how you look at it, "global warming" stopped more than a decade and a half ago.

There have been various attempts to redefine global warming through various other indicia, ocean heat content, etc. I'm not going to go into all of those, especially some of them are merely attempts to move the goalposts. The HADCRUT data is the one upon which the IPCC based its forecasts. Those forecasts of rapidly increasing temperatures as CO2 increased are abject failures. 

As I always want to stress, I do believe that (netting out the pluses and minuses of warmer temperatures) global warming is a small problem. It is not "no" problem. I also believe we need to take a serious look at two other related threats:
As stated many times on this blog, we urgently need to ramp up research into the relation between the sun and our climate. We also need to conduct open-minded research into the acidification issue. It may be the most serious issue of all. 

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