In 2012 the Australian Bureau of Meteorology brought out their ACORN SAT highly adjusted and warmed temperature data for just over 100 stations with all data commencing in 1910. Launceston starts in 1885 but the early data has gaps so we start at 1910 comparing raw data trends with warming trends from the BoM highly adjusted ACORN SAT.
It looks clear that the data as collected over more than 100 years shows no significant warming.
Over twenty years ago I built the two Australian long term series –
Average of 25 Regional and Remote Stations –
Average Temperature for the 6 Capital Cities
It looks as though I had not found the Launceston data at the time the above was contructed in 1991.
The aim is to update more long term stations data as collected and contrast with ACORN SAT.
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1 – Launceston Royal Park
2 – Launceston Balfour Street
3 – Launceston Tamar Street
4 – Launceston Pumping Station – 1 to 4 number 91049 alt 24.4m
5 – Launceston Airport Comparison – 91104 alt 170m
6 – Launceston Airport Comparison
7 – Launceston Airport – 91311 – alt 166.9
Category Archives: Surface Record
Australian Bureau of Meteorology takes urban heat island (UHI) into account when announcing heat records
I have just been told by the Parliamentary Secretary to the Minister for the Environment – Senator the Hon Simon Birmingham – that when _ “…the Bureau publishes relevant records of weather and climate occurrences and extremes based on observations from sites around the country.”
The BoM is “…taking into account any urban heat island effects in towns and cities.”
Can anybody find me an example of this? Click to read my 12 Nov 2013 email to Minister Hunt and their reply
Continue reading Australian Bureau of Meteorology takes urban heat island (UHI) into account when announcing heat records
How many times does a truth have to be told ? – UHI warming has been cemented into global temperature series by adjusting for steps outward from cities
I see Anthony Watts article on a new paper in Theoretical and Applied Climatology – “Effect of data homogenization on estimate of temperature trend: a case of Huairou station in Beijing Municipality”. Thanks to Springer for making this paper open access. My point here is that this diagram which shows how UHI warming gets fixed into adjusted series –
is telling the exact same story as Hansen et al told in 2001 with these very similar diagrams.
Figure 1 from; Hansen, J.E., R. Ruedy, Mki. Sato, M. Imhoff, W. Lawrence, D. Easterling, T. Peterson, and T. Karl 2001. A closer look at United States and global surface temperature change. J. Geophys. Res. 106, 23947-23963, doi:10.1029/2001JD000354
I first mentioned this in Feb 2006 –
GISS/NASA/NOAA graphics illustrate significant UHI truths
Again in Jan 2011 –
Simple GISS diagram illustrating warming effect of conventional “adjustments” of “steps” in T data due to site moves outward from urban centre.
Starting with Jones et al 1986 all the global groups make exactly this error.
Global temperature trends would be more accurately assesed by just gridding the raw data. Leave the steps in – in the absence of all the hard work to adjust out UHI warming – this will produce a trend closest to reality.
Terabytes of IPCC compliant global temperature trends research are not worth a cup full of warm spit. If I had to answer my question – How many times does a truth have to be told ? – I recall a saying somewhere – Green media lies travel like speeding arrow – the truth struggles to swim uphill.
More series to consider re question has the Australian land temperature seen its hottest 12 months ever
These 12 month average trends show a strong cyclic influence on Australian temperatures. GISS, GHCN CAMS and NCDC land data are now updated at KNMI.
GISS supports the BoM which finds the 12 month average mean temperature over Australia has been warmer than ever over recent months.
NCDC finds that periods in 2005 and 2010 had a warmer 12 month average.
GHCN CAMS find warmer 12 month periods in 2005.
The two satellite series have warmer periods in the past than late 2013.
At the end of 2013 the BoM trend is under GISS.
Another warmist prediction bites the dust – Canberra four days over 40° fails in 2014 but 1939 heatwave was hotter and longer
The ABC reports – ACT under total fire ban as mercury soars – quoting Sean Carson from the Bureau of Meteorology who says – “By the time we reach Saturday we might have seen four days in a row in the ACT greater than 40 degrees, something we’ve never seen before in Canberra’s history,”
Bad luck Sean the 4 days 15th to 18th went – 40.2, 40.1, 39.7, 40.
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So we see an example in the ABC News Watch analysis where warmists conveniently do not know our history.
The BoM much trumpeted claim that 2013 was our hottest year is less than robust because some global climate groups disagree
Checking the Bureau of Meteorology claim against data from various global climate research groups available at KNMI Climate Explorer shows that not all support the BoM claim.
CRUT4, GISS and NCDC are not yet available through December but will check as they become available to end 2013. The BoM might have some support there.
- GHCN CAMS finds that 2005 was a hotter year than 2013.
- RSS satellites finds that 2005, 1998 and 1980 were hotter years than 2013.
- UAH satellites finds that 2009 was a hotter year.
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Note my December 2013 post highlighting the warming drift 2005-2006 in UAH compared to RSS. In the chart it is plain that UAH is badly out of step at 2006.
I also posted –
- Similar to Australia in 2005-06 – large grid box in southern Africa shows huge warming departure in UAH lower troposphere satellite temperature anomalies compared to RSS – and –
- Difference between UAH and RSS satellite lower troposphere T anomalies has a distinct step change 2004-2005 over the USA 48 States – not as marked as Australia
Brisbane tipped to hit 41° on 4 Jan 2014 but reality was 38.7°
Typical headline beating up what is normal hot weather.
Reality not so glam. for the warmists.
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For over a week now I have been puzzled by TV weather ladies talking about 50° here and there at places back of the black stump. Has anybody seen a 50° clock in anywhere yet. I suppose it must happen sometime – after all the BoM adjusted their map scales to go over 50.
Satellites disagree with BoM that September 2013 was a record hot month for Australia
We have all seen and heard the media blitz on the subject – 2013 was hottest year on record in Australia, Bureau of Meteorology says –
Most of us have little idea of the extent to which the BoM ACORN SAT temperature series has older data adjusted cooler to increase the warming trend.
This chart shows the monthly mean temperature ACORN SAT data that the BoM rely upon for their statements and shows the strongly cyclic nature of the 12 month average.
RSS satellites measure brightness temperature anomalies in the lower troposphere (TLT) – that thin skin of air centred on about 2 to 3km high. It is interesting that the rankings of the anomalies for the hottest months over Australia from the BoM go, Sep 2013 2.75 – Apr 2005 2.66 – Aug 2009 2.47.
However when you make global temperature anomaly maps for the RSS satellites lower troposhere series and eyeball the maps – the ranking looks to be – Aug 2009 hottest – Apr 2005 2nd hottest and Sep 2013 3rd hottest.
Aug 2009
Apr 2005
Sep 2013
RSS do not publish an Australian anomaly time series.
I put these maps up to show that all might not be as cut and dried as the BoM would have you believe.
Australian Bureau of Meteorology replaces the century old Melbourne Regional Office weather observation site in the Melbourne CBD
They are launching a new Melbourne weather observation site at Olympic Park – surrounded on two sides by tarmac car parks. And of course a freeway just out of view behind the photographer.
I enjoyed how the BoM manages to write 309 words on the subject yets avoids the term “urban heat island”. IMHO it is quite possible that the new site could warm due to increasing urban effects at a faster rate than the old.
“Heatwave expected to hit one-third of Australia over Christmas” – Bureau of Meteorology dud prediction on 18 December 2013
It looks clear there will be no Christmas heat wave of any significance this Christmas. Here is the BoM prediction – Heatwave expected to hit one-third of Australia over Christmas – If you check forecasts for your region of SE Australia you can see what an utter dud the BoM is.
I am calling for reports on how this is going – buckled railway lines – whatever. Can people please call in temperatures in their regions, thanks. You can check maximum temperature anomalies for past days or weeks etc here.
[The BOM’s assistant director of weather services, Alasdair Hainsworth, says the heatwave could last for about a week.
“Unfortunately it is going to be be a fairly protracted period of hot weather,” he said.
The lack of effective treatment at online levitra the right time may lead to impotency in the male body. Massage male organ with this oil to sildenafil online purchase get stronger erections. It also helps regulate the mood, maintain fertility, and keep up energy and libido. So many drug products in the UK have problems with such kind of dysfunction, and people above age of 60 have viagra pills in canada got erection failure complexities. “Maybe in some of the coastal locations it won’t be quite so protracted, but over inland parts of south-eastern and eastern Australia, I think we are looking at around about a week’s worth of very hot weather.”
Mr Hainsworth warns that Christmas travel plans may be disrupted.]
I am offering a prize for the first report of buckled railway line up to and including Friday 27 Dec – the BoM Memorial Sixpack of Aldi White Wine – winner can choose any variety up to $5 per bottle, you can collect at your nearest ALDI.