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Heat Waves 2019

Re: Heat Waves 2019

Unread postby dohboi » Mon 11 Mar 2019, 22:36:28

https://phys.org/news/2019-03-australia ... inter.html

... by 2050, Australians will no longer enjoy winter as they know it today and will experience a new season the designers are calling "New Summer".

New Summer represents a period of the year where temperatures will consistently peak in many cases well above 40ºC for a sustained period.


I'm not sure the Aussies will have to wait till 2050 for these conditions, they're nearly there already:

Brisbane, Sydney weather: Severe heatwave, storms and possible cyclone


Brisbane’s CBD could reach 36C today, while Ipswich, in the west, may get close to 40C, which would break its previous March record high temperature.

And if that’s not enough weather for you, storms “day in, day out” could hit the sunshine state this week, while a tropical cyclone looks to be brewing off Australia’s north coast, forecasters have said.

Parts of Sydney could also experience scorching highs more akin to summer than autumn over the coming days. ...

https://www.news.com.au/technology/envi ... f5e77a16b7
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Re: Heat Waves 2019

Unread postby jawagord » Tue 12 Mar 2019, 11:34:57

There’s nothing new about Aussie heat waves, just the way the data is being manipulated to excite the mob who know nothing of history.

Australia’s Environment Minister, Melissa Price, also recently claimed this summer’s bushfires as a consequence of climate change. I grew up with stories from my late father of terrible bushfires – infernos – back in 1939. The Black Friday firestorm of 13 January 1939 destroyed four times the area of farmland and forest as the devastating February 2009 fires – and twenty times as much as burnt this last summer.
But it is actually now near impossible to know which summer was the hottest ever summer – because of the extensive remodelling of our temperature history.
The extensive remodelling is not denied by the Australian Bureau of Meteorology. Rather it is justified on the basis that temperatures are now measured using a non-standard method (spot readings) from non-standard equipment (custom built probes in automatic weather stations). Apparently, we need to know how hot it was back then, relative to the equipment used now – so temperature are remodelled. To be clear, there are three factors that potentially confound how hot it was back then – or now: the equipment, how it is used, and the remodelling, which is often referred to as homogenisation.

In 2011, the Bureau made further changes in that it stopped averaging one-second readings from the probe at Rutherglen over one minute. The maximum temperature as recorded each day at Rutherglen is now the highest one-second spot reading from the custom-built probe. That is correct – spot reading.

So, to reiterate, we now have a non-standard method of measuring (spot readings) from non-standard equipment (custom-built probes) making it impossible to establish the equivalence of recent temperatures from Rutherglen – or any of the Bureau’s other 695 probes in automatic weather stations spread across the landmass of Australia – with historical data.


https://www.spectator.com.au/2019/03/th ... e-changed/
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Re: Heat Waves 2019

Unread postby M_B_S » Tue 12 Mar 2019, 16:33:15

https://www.news.com.au/technology/envi ... f5e77a16b7

Temperatures have soared over parts of Australia as a blistering heatwave brings record breaking temperatures to four states.

Alice Springs topped out at 42.7C on Monday, its highest ever March temperature. Gatton and Warwick in Queensland also beat March records.
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https://www.kalw.org/post/one-planet-ma ... s#stream/0
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Re: Heat Waves 2019

Unread postby clif » Tue 12 Mar 2019, 22:27:51

Jennifer Marohasy (born 1963) is an Australian biologist, columnist and blogger. She was a senior fellow at the free-market think tank the Institute of Public Affairs between 2004 and 2009 and director of the Australian Environment Foundation until 2008.[1] She holds a PhD in biology from the University of Queensland. She is sceptical of anthropogenic global warming and co-authored a peer-reviewed paper in GeoResJ suggesting that most of the recent warming is attributable to natural variations, a view disputed by most climate scientists.

In an Australian Broadcasting Corporation interview she stated that... "It's not clear that climate change is being driven by carbon dioxide levels...whether or not we can reduce carbon dioxide levels, there will be climate change".

In an interview on the Australian Broadcasting Corporation Radio National program, Counterpoint, she claimed recent cooling by starting with the extreme temperature peak of the 1998 El Niño event. She said that... "there has been cooling if you take 1998 as your point of reference. If you take 2002 as your point of reference then temperatures have plateaued. This is certainly not what you'd expect if carbon is driving temperature because carbon dioxide levels have been increasing but temperatures have actually been coming down over the last ten years. ...very unexpected not something that is being discussed. It should though be being discussed because it is very significant".


and she has been rebuked here;

the BoM has released a statement that explains the processes at the bureau. I’ve posted it in full at the bottom of this post, but here’s a quote:

Contrary to assertions in some parts of the media, the Bureau is not altering climate records to exaggerate estimates of global warming.

Homogenise this

The BoM maintains several sets of data on temperatures in Australia and the agency makes all that data available online.

One of those datasets is known as the Australian Climate Observations Reference Network – Surface Air Temperature (ACORN-SAT) and this is the one BoM used to declare 2013 was the hottest year on record.

Marohasy has been looking at some of the temperature stations that are included in ACORN-SAT and analysing the impact of a method known as “homogenisation” that the BoM sometimes employs with the ACORN-SAT data.

It’s no secret or even a revelation that the Bureau of Meteorology employs these techniques and others.

On the bureau’s website, anyone is free to lose themselves in a world of homogenised data sets, gridded temperature analysis and temporal homogeneity adjustments. Go for your life.

While Marohasy’s central claim – that BoM is doctoring figures to make them more acceptable to a narrative of warming - remains entirely untested in the scientific literature, the bureau’s methods used to compile ACORN-SAT have been peer reviewed.

Unusually, the bureau’s full response to one set of questions from Graham Lloyd has found its way onto at least one climate sceptic blog.

In the response the bureau explained why three specific site records it was asked about had been homogenised.

At Bourke, for example, the station had been moved three times in its history. Detective work had found that a noticeable shift in the readings in the 1950s had likely been due to changes in vegetation around the instrument.

At Amberley, the bureau noticed a marked shift in the minimum temperatures it had been recording, which was also likely due to the station being moved.

Another site at Rutherglen had data adjusted to account for two intervals – 1966 and 1974 – when its thought the site was moved from close to buildings to low-flat ground.

Marohasy wants heads to roll [rolls eyes] because she claims that the Rutherglen site was never moved and so there was no need to homogenise the data.

However, the bureau has documentary evidence showing that sometime before the 1970s the weather station was not in the place where it is now.

The bureau had initially spotted a break or jump in the data that pointed to a likely move at Rutherglen.

Perhaps all of these movements of temperature stations was a conspiracy in itself, cooked up in the 1950s?

Professor Neville Nicholls, of Monash University, worked at BoM for more than 30 years and from 1990 until he left in 2005 had led efforts to analyse rainfall and temperature readings from across the country. He told me:

The original raw data is all still there – it has not been corrupted. Anyone can go and get that original data.

Pre-1910 there was not much of a spread but also there was more uncertainty about how the temperatures were being measured. By 1910, most temperatures were being measured in a Stevenson Screen. A lot of measurements were taken at Post Offices but in many cases these were moved out to airports around the middle of the 20th century. That produces artificial cooling in the data.

Towns for example in coastal New South Wales originally had temperatures taken near the ocean because that’s where the town was. But as the town grew the observations would move inland and that is enough to affect temperature and rainfall.

Are we supposed to just ignore that? A scientist can’t ignore those effects. It’s not science to just go ahead and plot that raw data.

Nicholls said if people didn’t trust the way the BoM was presenting the data they could look elsewhere, such as a major project known as Berkeley Earth undertaken by former sceptic Professor Richard Muller which also used BoM data from as early as 1852 to mid-2013.


Why am I not surprised that one of the websites deniers is posting articles written by a denier.......

Before joining CQU, Marohasy spent many years working at the Institute of Public Affairs – a Melbourne-based free market think tank that has been promoting climate science denialism for more than two decades.

After leaving there, she became the chair of the Australian Environment Foundation, a spin-off from the IPA.

Marohasy has said that Bryant Macfie, a Perth-based climate science sceptic, funds her research at Central Queensland University.

In 2008, after Macfie had gifted $350,000 to the University of Queensland in a donation facilitated by the IPA to pay for environmental research scholarships there, he wrote that science had been corrupted by a “newer religion” of environmentalism.

In June, Marohasy made her claims about BoM to the Sydney Institute. In July she travelled to Las Vegas to speak at the Heartland Institute’s gathering of climate science denialists and assorted contrarians.

The Heartland Institute is the “free market” think tank that once ran a billboard advert with a picture of terrorist and murderer Ted “Unabomber” Kaczynski alongside the question: “I still believe in Global Warming. Do You?”
Before joining CQU, Marohasy spent many years working at the Institute of Public Affairs – a Melbourne-based free market think tank that has been promoting climate science denialism for more than two decades.

After leaving there, she became the chair of the Australian Environment Foundation, a spin-off from the IPA.

Marohasy has said that Bryant Macfie, a Perth-based climate science sceptic, funds her research at Central Queensland University.

In 2008, after Macfie had gifted $350,000 to the University of Queensland in a donation facilitated by the IPA to pay for environmental research scholarships there, he wrote that science had been corrupted by a “newer religion” of environmentalism.

In June, Marohasy made her claims about BoM to the Sydney Institute. In July she travelled to Las Vegas to speak at the Heartland Institute’s gathering of climate science denialists and assorted contrarians.

The Heartland Institute is the “free market” think tank that once ran a billboard advert with a picture of terrorist and murderer Ted “Unabomber” Kaczynski alongside the question: “I still believe in Global Warming. Do You?”

Also speaking in Las Vegas was federal MP for the Queensland electorate of Dawson, George Christensen, who appeared on a panel alongside Marohasy.

Christensen described mainstream climate science as “a lot of fiction dressed up as science”.
Also speaking in Las Vegas was federal MP for the Queensland electorate of Dawson, George Christensen, who appeared on a panel alongside Marohasy.

Christensen described mainstream climate science as “a lot of fiction dressed up as science”.
[/quote]

https://www.theguardian.com/environment ... heat#img-2

A chart from the Berkeley Earth analysis of global temperatures used data from the Bureau of Meteorology to reconstruct average temperatures for Australia going back to 1852. Photograph: Berkeley Earth
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Re: Heat Waves 2019

Unread postby EnergyUnlimited » Wed 13 Mar 2019, 04:08:08

dohboi wrote:https://phys.org/news/2019-03-australian-climate-tool-winter.html

... by 2050, Australians will no longer enjoy winter as they know it today and will experience a new season the designers are calling "New Summer".

New Summer represents a period of the year where temperatures will consistently peak in many cases well above 40ºC for a sustained period.


Aussies like sunbathing very much, so they should be fine.
They will occupy beaches very much like seals do. Beautiful naked babes and all sort of such stuff you know...
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Sales of sun screen cream will go up and there is also some potential of growth in air conditioning industry.
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Re: Heat Waves 2019

Unread postby M_B_S » Sat 16 Mar 2019, 11:36:14

Freak Heatwave hits Canada March 2019


Visit our Complete Guide to Spring 2019 for an in depth look at the Spring Forecast, tips to plan for it and much more
"A strong upper ridge builds into western Canada, spilling warmth across the region for early next week," says Weather Network meteorologist Tyler Hamilton. "An offshore flow will allow temperatures to reach 20°C for the first time in Canada so far this year."
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