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NOAA Tampering In Alaska

September 5, 2015

By Paul Homewood 

  

https://i2.wp.com/climate.gi.alaska.edu/sites/default/files/ClimateTrends/Seasonal_Yearly_Temp_Change_77_F.png

http://climate.gi.alaska.edu/ClimTrends/Change/TempChange.html

 

 

According to the Alaska Climate Research Center, linear trends show that temperatures have actually fallen in Alaska since 1977, by 0.1F.

The stations used give a good geographical spread, and only four sites show any warming at all.

 

Figure_1_color

 

Yet NOAA show something totally different, a rise of 0.2F/decade, about 0.74F over the period.

 

multigraph

http://www.ncdc.noaa.gov/cag/

 

 

The divergence between NOAA’s figures and reality is actually much greater. Research has shown a very real and significant UHI effect in Barrow. Excluding Barrow, the Alaska Climate Research analysis would give an average drop of 0.38F, instead of 0.1F.

 

This is yet more evidence of just how much tampering has gone on with the NOAA record.

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13 Comments
  1. September 5, 2015 12:44 pm

    Thanks, Paul.
    NOAA is determined to loose its credibility by trying to deceive the people that fund them.

  2. Joe Public permalink
    September 5, 2015 12:49 pm

    A commenter on WUWT has coined (or repeated) an apposite word – “Tamperatures”.

    • Le Roy permalink
      September 5, 2015 4:27 pm

      Haha…….brilliant!

  3. September 5, 2015 1:55 pm

    Was this done for the visit by the Pants-on-Fire-in-Chief?

  4. The Iceman Cometh permalink
    September 5, 2015 3:53 pm

    “The Global Historical Climatology Network (GHCN) is a database of temperature, precipitation and pressure records managed by the National Climatic Data Center, Arizona State University and the Carbon Dioxide Information Analysis Center” (Wikipedia)
    The Carbon Dioxide Information Analysis Center?
    If you put the fox in charge of the henhouse, you may expect to lose a few chickens

  5. Matthew permalink
    September 5, 2015 5:23 pm

    Paul, is the CET adjusted? If so, are they reasonable adjustments?

    • September 5, 2015 6:41 pm

      The Central England Temperature has an adjustment of 0.2C to allow for UHI. This is used to inflate temperatures prior to 1970.

      • Ben Vorlich permalink
        September 6, 2015 6:50 am

        If 0.2’C is the real UHI value then someone should tell TV weather forecasters who use the phrase several degrees when talking about the difference between urban and rural temperatures.

  6. September 6, 2015 9:26 am

    Ben – there’s no contradiction. City vs rural temperatures – especially minima, really are that different. UHI adjustments are intended to account for changes over time at a single site, reflecting increased urbanisation surrounding that site. The quantum of the adjustment is, of course, the big issue.

    • September 6, 2015 9:29 am

      That’s right – it’s a question of how much the UHI has changed over time, rather than the absolute figure.

  7. Andy DC permalink
    September 7, 2015 6:19 pm

    You can’t let the truth interfere with a multibillion dollar scam!

  8. September 9, 2015 7:17 pm

    Reblogged this on CbFool.

  9. September 13, 2015 3:47 pm

    Reblogged this on Climate Collections.

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