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Guest “Level playing field, my @$$” by David Middleton Over the past year or so, a number of scientists, skeptical of the alarmist climate change narrative, have been banned from…

Last Halloween, Naomi Oreskes unsettled the climate community by suggesting the work of WG1 scientists is done, and that they should move on to other fields...

Admitting some cloud error is as close as most climate modellers come to admitting their projections are not fit for purpose. Note the image is from Pat Frank's paper about cloud error, not Paulo Ceppi and Ric Williams' paper.

by Pat Frank Last February 7, statistician Richard Booth, Ph.D. (hereinafter, Rich) posted a very long critique titled, What do you mean by “mean”: an essay on black boxes, emulators, and uncertainty” which is very...

12 October 2019 Pat Frank A bit over a month ago, I posted an essay on WUWT here about my paper assessing the reliability of GCM global air temperature projections in light of error propagation and uncertainty analysis, freely...

Guest post by Kevin Kilty Introduction This short essay was prompted by a recent article regarding improvements to uncertainty in a global mean temperature estimate.[1] However, much bandwidth has been spilt lately in the...

Guest post by Pat Frank My September 7 post describing the recent paper published in Frontiers in Earth Science on GCM physical error analysis attracted a lot of attention, consisting of both support and criticism...

guest post by Nick Stokes There has been a lot of discussion lately of error propagation in climate models, eg here and here. I have spent much of my professional life in computational fluid dynamics, dealing with exactly...

Reposted from Dr. Roy Spencer’s blog September 13th, 2019 by Roy W. Spencer, Ph. D. Have you ever wondered, “How can we predict global average temperature change when we don’t even know what the global average temperature...

From Dr Roy Spencer’s Blog September 12th, 2019 by Roy W. Spencer, Ph. D. NOTE: This post has undergone a few revisions as I try to be more precise in my wording. The latest revision was at 0900 CDT Sept. 12, 2019. If this...

From Dr. Roy Spencer’s Blog September 11th, 2019 by Roy W. Spencer, Ph. D. I’ve been asked for my opinion by several people about this new published paper by Stanford researcher Dr. Patrick Frank. I’ve spent a couple...

Guest post by Pat Frank It’s become very clear that most published proxy thermometry since 1998 [1] is not at all science, and most thoroughly so because Steve McIntyre and Ross McKitrick revealed its foundation in ad hoc...

Readers may recall Pat Franks’s excellent essay on unceratinty in the temperature record.  He emailed me about this new essay he posted on the Air Vent, with suggestions I cover it at WUWT, I regret it got lost in...

For those that don’t notice, this is about metrology, not meteorology, though meteorology uses the final product. Metrology is the science of measurement. Since we had this recent paper from Pat Frank that deals with...