The Hotter-Drier “Climate change” myth — the rain in Australia has always been erratic, no CO2 trend

When will our BoM and Climate Experts correct the Fake Science and misinformation?

Climate change leads to a hotter-wetter world. This is a central canon of the theory of man-made global warming. Despite that, none of our paid experts are correcting the myths and misinformation of our public debate. Every man and his monkey (including M.P’s) are saying that Climate Change causes a hotter drier world which leads to fires, and the BOM, CSIRO and millions of scientists apparently agree. So if Australians are misinformed, who’s fault is it? — Not looking at you Andy Pitman, David Karoly, Tim Flannery, ABC Science Unit, Gergis, Sherwood, Trewin, Steffan and all the rest.



Blame the ocean currents for our bush fires

The biggest cause of bush-fires in Australia is the drought. A lack of rain allows the nation to get scorching hot days and dries out the fuel. Yet our long term records show that obscene megatons of CO2 from China has no detectable effect on our long term rainfall. Not in the fire zones, and not across the whole country either. The main driver of droughts and fires therefore is the El Nino oscillation, the IOD, and the SOI. Tax the ocean! Stop the currents! Hold back the tide and pray to Karl Marx!

Climate change made zero difference to rain trends in Australian fire zone



A half hour search finds six long records of rainfall in the latest bushfire zone but no sign of a CO2 signal. But, hey, it’s not like we pay the BOM a million dollars a day to correct misinformation, or the ABC three million dollars a day to ask them hard questions.

Spot the meaningful trend

CO2 has no effect on Cobargo rainfall

This is what a graph looks like when CO2 has no detectable impact on rainfall. 50% of all human emissions since the days of Neanderthals has been produced since 1992. But the rainfall is just like it was in the 1920s. 89 houses were lost in Cobargo, but they were lost because of land management and a natural drought.

Likewise Dalgety Rainfall

Ensay Rainfall

While the rainfall in Dalgety appeared to increase slightly, the rainfall in Ensay appears to fall slightly. Since modelers have no skill in predicting regional rainfall trends anyone claiming either shift is caused by coal plants might as well be a fortune teller.

Gabo Island Rainfall

Climate scientists can’t explain why the rainfall was lower from 1920 – 1940 here so they have no idea if it’s just a natural cycle driving twenty year trends. There are natural cycles linked to solar cycles that are a complete mystery to climate modelers.

How about 160 years of nothing?

Melbourne Regional Office 1855 – 2015

Sydney Observatory 1858 – 2019

The longest records we have show cycles come and go. Since we can’t predict the cycles more than five months in advance (and often not even then), clearly we don’t know what drives these cycles. When will Australia’s climate scientists correct the politicians and celebrities who benefit from making false claims?

It’s not drier than the 1880s. Not drier than WWI. If there is any pattern it’s that there might be a long term natural cycle where there was less rain in the early 1900s, more rain after WWII and less rain again after the 1980s.

Looking at the 1900 – 2020 Australian rainfall trend map (which ignores the decades of data before that) much of Victoria has a 10mm lower rainfall per decade. But NSW, where most of the fires have burned so far ,, has exactly the opposite trend. Which one is climate change?

In Australia you can claim any trend you want in rainfall, just by cherry picking the start date.

Droughts are the same as they ever were

In the 178 year record, across the whole nation — there is no trend. All that CO2 has made no difference at all to the incidence of Australian droughts. Climate scientists have shown droughts have not increased in Australia. The graph here shows Sydney rain, but click the link to see Melbourne and Adelaide. Same thing. All the data we have, looked at in all the ways we can think of shows CO2 is not controlling our rain.

A warming world means more rain. Other evidence also shows mega droughts were worse. 178 years of CO2 emissions have no measurable effect on rainfall in Australia.

REFERENCE

Linden AshcroftabDavid J.KarolyacAndrew J.Dowdyb(2019) Historical extreme rainfall events in southeastern Australia, Weather and Climate Extremes , 100210

And even more droughts and trends graphs here.

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