Heat Waves: Historical, not Hysterical Context

Science Matters

Rannoch Moor, Scotland

Alarms are being sounded about heat waves in the Northern Hemisphere, noting heat waves in Eastern Canada and US, wildfires in N. Sweden and Siberia.  The recent UK lawsuit featured the advocate claiming the Arctic is burning, so global warming is no longer in doubt.  Thus UK needs to up its carbon reduction targets.

The High Court disagreed.  And for good reasons not cited by the judge.  The hot dry weather this summer in Siberia was preceded by extreme cold and massive snowfall, unusual winter conditions even for that climate zone.  Similarly, there have been cold winters across Eurasia, while Northern Europe enjoys a BBQ summer.  BTW, I recall seeing on TV May and June tennis matches in Spain where spectators were wearing jackets and head covering against the cold.

What is going on?  Fact: Concurrent warm summers and cold winters are a feature of the North…

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