Global warming brings wild weather

weather-crazy

Just over a month ago I wrote about Australia’s Warmest Year On Record and ended the post by saying:

None of the above is necessarily due to global warming but it is all entirely consistent with global warming, and we can expect that weather like this will become normal as global warming progresses. Bearing in mind that this year represents, as the BoM says, temperatures [only] 1.2 C* above the baseline and medium-term predictions are in the range of  2 – 6 C above the baseline, I think we should be more worried than most of us are; but I will deal with those issues on their own in another post as soon as I can find time.

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Extreme weather around the world

For a while now the climate scientists have been warning that global warming isn’t simply a matter of the weather getting a little warmer everywhere. Rather, the warming will vary from place to place and be accompanied by changes of weather patterns, especially rainfall. That is already happening. I have mentioned extreme weather events here before over the last year or so, and in fact the last few months have seen a cluster of extreme events which are causing great suffering across the Northern hemisphere.

We know that none of these can be ascribed to climate change with any certainty but there is a growing body of knowledge (e.g. IPCC) which shows that we can confidently give the odds that a particular event would have happened without global warming, and the experts are quoting high odds against any of these happening under our old weather patterns. The combined odds against all of them happening by chance are infinitesimal.

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