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Physics Science

Latest Global Temperature Data

Data from Dr Roy Spencer climatologist

The following is excerpted from Dr Roy Spencer. It shows that the earth has made an abrupt turn in lowering its temperature. Even though we see an overall warming trend since 1979 you can see an almost plateau in temperature since 1998. This does not support the alarmist view of runaway global warming.

Latest Global Average Tropospheric Temperatures

Since 1979, NOAA satellites have been carrying instruments which measure the natural microwave thermal emissions from oxygen in the atmosphere. The intensity of the signals these microwave radiometers measure at different microwave frequencies is directly proportional to the temperature of different, deep layers of the atmosphere. Every month, John Christy and I update global temperature datasets that represent the piecing together of the temperature data from a total of fifteen instruments flying on different satellites over the years. A discussion of the latest version (6.0) of the dataset is located here.

The graph above represents the latest update; updates are usually made within the first week of every month. Contrary to some reports, the satellite measurements are not calibrated in any way with the global surface-based thermometer records of temperature. They instead use their own on-board precision redundant platinum resistance thermometers (PRTs) calibrated to a laboratory reference standard before launch.

The digital data for the above plot, as well as for various sub-regions of the Earth and for three other atmospheric layers, are available at the links below. You can copy and paste the data into a spreadsheet program like Excel to do your own plotting and analysis (in Excel, you might need to use the “Data>Text to Columns” function to get the data separated into columns after pasting):

Lower Troposphere: http://vortex.nsstc.uah.edu/data/msu/v6.0/tlt/uahncdc_lt_6.0.txt
Mid-Troposphere: http://vortex.nsstc.uah.edu/data/msu/v6.0/tmt/uahncdc_mt_6.0.txt
Tropopause: http://vortex.nsstc.uah.edu/data/msu/v6.0/ttp/uahncdc_tp_6.0.txt
Lower Stratosphere: http://vortex.nsstc.uah.edu/data/msu/v6.0/tls/uahncdc_ls_6.0.txt

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By John Gideon Hartnett

Dr John G. Hartnett is an Australian physicist and cosmologist, and a Christian with a biblical creationist worldview. He received a B.Sc. (Hons) and Ph.D. (with distinction) in Physics from The University of Western Australia, W.A., Australia. He was an Australian Research Council (ARC) Discovery Outstanding Researcher Award (DORA) fellow at the University of Adelaide, with rank of Associate Professor. Now he is retired. He has published more than 200 papers in scientific journals, book chapters and conference proceedings.

One reply on “Latest Global Temperature Data”

Roy Spencer’s UAH graphs are the only global temperature datasets that I now trust. The RSS data used to be good but the alarmists have tweaked it without clear reasons why. Also, 1979 was fairly cool, so the slight warming since then means little to nothing.

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