SPC and Global Warming: 1880 – 2020

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Thanks so much for reading our publication. We hope you find it informative and useful. Happy charting and may the data always support your position.


Dr. Bill McNeese
BPI Consulting, LLC

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Comments (4)

  • ZacJanuary 28, 2021 Reply

    Well done!  I love reading these posts.  I've learned so much of the I know about SPC from these.  Would love to know more about suspected causes of the shifts between the different stable regions, but that might be out of scope here; leave it to the SMEs. 

    • billJanuary 28, 2021 Reply

      Thanks for the feedback Zac! 

  • William K. BeatyJanuary 28, 2021 Reply

    Very good analysis. But, how do we know reasonable warming is not good? The warming is occurring in the temperate and cold zones. These areas are all just trying to achieve a uniform temperature since the last ice age. As the atmosphere warms it hold much more water; which dampens temperature extremes; which in turn should reduce bad weather events; a cooling atmosphere squeezes the water out and the air becomes dryer and much greater temperature gradient development thus making storms worse. The northern hemisphere has greened remarkably over the last 20 years and the same thing would have happened in the southern hemisphere if they had cheap fossil fuel and didn’t have to burn the trees and brush for an energy source. The argument is not is the earth warming slightly, the question is whether it is bad or not?

    • billJanuary 28, 2021 Reply

      Thanks for the comment.  My analysis, on purpose,  was simply that the earth is warming up.  I will leave to others to define why that is happening and if it is good or bad.

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