Hourly Extreme Rainfall Claims Not Supported By Data

NOT A LOT OF PEOPLE KNOW THAT

By Paul Homewood

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This paper came out a couple of months ago, another one claiming to prove that global warming is leading to more extreme rainfall. It focusses on hourly rain data, and attempts to correlate this with dew point temperatures, a proxy of absolute humidity:

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https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2020GL090317

The first question is why don’t they simply monitor the hourly rainfall trends themselves, instead of using dew points, which are not accurate anyway?

The study uses 7000 rain gauges spread around the world, but England is one area focussed on. On the map below, the orange and red circles indicate where hourly precipitation has increased in line with the Clausius‐Clapeyron equation (6.5%/K):

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So according to the theory, Oxfordshire should be seeing much more extreme rainfall.

View original post 214 more words

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