For instance, there is no evidence that a rise in temperature causes more tropical cyclones. Corbyn may be a maverick, but he is not alone in some of his views. Atmospheric pressure which forms over the ocean is known to produce a wide variety of weather. The late Robin Stirling was another critic of the assertion that Britain's weather is more extreme. Britain has also experienced significant changes in temperature levels.
Hazard is the actual phenomenon and vulnerability is the effect on the community.
So that if you have the same level of storms but everybody then lives on floodplains or the coast the weather is the same, but there is a much bigger insurance loss. In America, thousands of people die every year in heatwaves. After a few quick calculations his estimates have reached 'thousands and thousands, in fact even tens of thousands'. But heatwaves in the northern hemisphere kill precisely because they are sudden and rare. Surely if heatwaves became more frequent, society would find ways of adapting to them.