Climate Scientists Admit Clouds are Still a Big Unknown

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…

The UAH Global Temperature Dataset at 30 Years: A Look Back at the Early Days

Reposted from Dr. Roy Spencer’s Blog March 30th, 2020 by Roy W. Spencer, Ph. D. Today (Monday, March 30) is the 30th anniversary of our publication in Science describing the…

2019 the Third Least-Chilly in the Satellite Temperature Record

Reposted from Dr. Roy Spencer’s blog December 6th, 2019 by Roy W. Spencer, Ph. D. People’s Climate March in Denver, CO on April 29, 2017 (CNN). It’s that time of…

UAH Global Temperature Update for November 2019: +0.55 deg. C

From Dr. Roy Spencer’s Blog December 2nd, 2019 by Roy W. Spencer, Ph. D. The Version 6.0 global average lower tropospheric temperature (LT) anomaly for November, 2019 was +0.55 deg.…

Why Roy Spencer’s Criticism is Wrong

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…

Why Haven’t the Tropics Warmed Much? A Tantalizing Piece of Evidence

From Dr. Roy Spencer’s Blog September 28th, 2019 by Roy W. Spencer, Ph. D. The radiative resistance to global temperature change is what limits the temperature change in response to…

Do Models Run Hot Or Not? A Process Control View

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…

How error propagation works with differential equations (and GCMs)

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…

A Stove Top Analogy to Climate Models

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…

Additional Comments on the Frank (2019) “Propagation of Error” Paper

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…

How the Media Help to Destroy Rational Climate Debate

From Dr. Roy Spencer’s Blog August 25th, 2019 by Roy W. Spencer, Ph. D. An old mantra of the news business is, “if it bleeds, it leads”. If someone was…

More fake five-alarm crises from the IPCC

“Mainstream” news outlets dutifully feature climate cataclysm claims that have no basis in reality guest post by Paul Driessen Efforts to stampede the USA and world into forsaking fossil fuels…

UAH Global Temperature Update for May, 2019: +0.32 deg. C

Reposted from Dr Roy Spencer’s webite June 3rd, 2019 by Roy W. Spencer, Ph. D. The Version 6.0 global average lower tropospheric temperature (LT) anomaly for May, 2019 was +0.32…

Roy Spencer: Why so many tornadoes this year? It’s not what AOC, Bernie Sanders (or maybe even you) think

From Fox News By Roy Spencer | Fox News Progressive politicians like Al Gore, Sen. Bernie Sanders, I-Vt., and Rep. Alexandria Ocasio-Cortez, D.N.Y., don’t hesitate to blame any kind of…

Media Reports of +40% Adjustment in Ocean Warming Were Greatly Exaggerated

From Dr Roy Spencer’s Blog January 16th, 2019 Summary: The recently reported upward adjustment in the 1971-2010 Ocean Heat Content (OHC) increase compared to the last official estimate from the…

Weekly Climate and Energy News Roundup #285

The Week That Was: 2017-09-23 (September 23, 2017) Brought to You by SEPP (www.SEPP.org) The Science and Environmental Policy Project ################################################### Quote of the Week. “Long run is a misleading…

Scientist Smacks Down Al Gore's Claim That Harvey Brought '500,000 year rains'

From The Daily Caller Michael Bastasch 4:08 PM 09/18/2017 Former President Al Gore said Monday that Hurricane Harvey brought once in 500,000 year rainfall to parts of Texas, only to…

Comments on the New RSS Lower Tropospheric Temperature Dataset

Reposted from Roy Spencer’s Blog.  Original here. July 6th, 2017 by Roy W. Spencer, Ph. D. It was inevitable that the new RSS mid-tropospheric (MT) temperature dataset, which showed more…

Peer Review; Last Refuge of the (Uninformed) Troll

Current peer review science, by attempting to explain away model failure, in fact confirms that the science is wrong Guest essay by David M. Hoffer It has become a favorite…

UAH Global temperature, down slightly, "the pause" continues

UAH v5.6 Global Temperature Update for Nov. 2013: +0.19 deg. C by Roy W. Spencer, Ph. D. The Version 5.6 global average lower tropospheric temperature (LT) anomaly for November, 2013…

Study: lack of cloud physics biased climate models high

The Hockey Schtick brings this to our attention. It seems Dr. Roy Spencer was prescient with his observation: “The most obvious way for warming to be caused naturally is for…

New study: '…climate system is only about half as sensitive to increasing CO2 as previously believed'

Warming since 1950s partly caused by El Niño HUNTSVILLE, Ala. (Nov. 11, 2013) – A natural shift to stronger warm El Niño events in the Pacific Ocean might be responsible…

90 climate model projectons versus reality

Reality wins, it seems. Dr Roy Spencer writes: As seen in the following graphic, over the period of the satellite record (1979-2012), both the surface and satellite observations produce linear…

Dr. Roy Spencer’s Ill Considered Comments on Citizen Science

Guest Post by Willis Eschenbach Over at Roy Spencer’s usually excellent blog, Roy has published what could be called a hatchet job on “citizen climate scientists” in general and me…