Models, Feedbacks, And Propagation Of Error

Guest post by Kevin Kilty Introduction I had contemplated a contribution involving feedback diagrams, systems of equations, differential equations, and propagation of error ever since Nick Stoke’s original contribution about…

Propagation of Error and the Reliability of Global Air Temperature Projections, Mark II.

Guest post by Pat Frank Readers of Watts Up With That will know from Mark I that for six years I have been trying to publish a manuscript with the…

Using an Iterative Adiabatic Model to study the Climate of Titan.

Using an Iterative Adiabatic Model to study the Climate of Titan. Guest Post by P Mulholland and Stephen Wilde. July 2019 “I would rather have questions that can’t be answered…

Remystifying Climate Feedback

By Joe Born 1. Introduction By presenting actual calculation results from a specific feedback-system example, the plots below will put some graphical meat on the verbal bones of Nick Stokes’…

A Third Look at Radiation versus Temperature

Guest post by KEVIN KILTY Introduction In a post on June 8, 2019, Willis Eschenbach showed an interesting plot of monthly average surface temperature against total irradiance absorbed at the…

Earth As A Solar Collector

Guest post by Kevin Kilty Introduction Within the past week or two we have read posts from Dr. Spencer (6/7/2019), Nick Stokes (6/6/2019), Lord Monckton (6/8/2019), and Willis Eschenbach (6/8/2019)…

New global warming model highlights strong impact of social learning

?????????????????????????~ctm Researchers account for feedback between climate change and human behavior PLOS A new climate modeling approach suggests that social processes strongly affect global warming predictions, and mitigation efforts should…

Modelling the Climate of Noonworld: A New Look at Venus.

Guest Post by Philip Mulholland “Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.” Richard P. Feynman. 1. Introduction: The Science of Climate.…

Natural climate processes overshadow recent human-induced Walker circulation trends

Institute for Basic Science A new study, published this week in the journal Nature Climate Change, shows that the recent intensification of the equatorial Pacific wind system, known as Walker…

Model-land, Butterflies and Hawkmoths

Guest Essay by Kip Hansen   Welcome to Model-Land, ladies and gentlemen, boys and girls!  “Model-land is a hypothetical world in which our simulations are perfect, an attractive fairy-tale state…

Early 20th Century Warming – Polar Amplification, Model-Data & Model-Model Comparisons

A Guest Post By Bob Tisdale In this post, we’re going to illustrate how poorly climate models used by the IPCC for their 5th Assessment Report simulate the polar amplification…

Inequality promotes deforestation in Latin America

What can’t you show with models?~ctm From EurekAlert! University of Bern Tropical deforestation is a major contributor to climate change and loss of local and global ecosystem functions. Latin America…

Global Energy Balances … Except When It Doesn’t

Guest Post by Willis Eschenbach. I came across an interesting 2014 paper called “The energy balance over land and oceans: an assessment based on direct observations and CMIP5 climate models“. In…

Snowpack declines may stunt tree growth and forests’ ability to store carbon emissions

And if my aunt had…..~ctm From Eurekalert Public Release: 1-Dec-2018 New study findings also suggest a variety of industries in the Northeast could be negatively affected by warming trends, including…

Gavin's Twitter Trick

Last week, Larry Kummer posted a very thoughtful article here on WUWT: A climate science milestone: a successful 10-year forecast! At first glance, this did look like “a successful 10-year…

Winton Capital Sets Up Climate Change Prediction Market

From The GWPF Date: 12/09/17 |Lindsay Fortado, Financial Times One of Europe’s largest hedge funds is looking to move into the gambling industry in the UK, as it sets up…

Pat Michaels: "A Climate Roadmap for Pres. Trump"

By David Middleton OPINION A climate roadmap for President Trump by Patrick Michaels | Jul 14, 2017 This week, President Trump is likely getting an earful in Paris over his…

Reconciling predictions of climate change

From Eurekalert, New framework accounts for conflicting estimates of global temperature increases Harvard John A. Paulson School of Engineering and Applied Sciences   AUDIO: SEAS researchers Peter Huybers and Cristian…

Why Climate Models Run Hot

by Rud Istvan,   EPA administrator Pruitt wants to “Red Team” the catastrophic anthropogenic global warming (CAGW) consensus best reflected in the IPCC assessment reports (AR). At its core, CAGW…

Because of the GISS and NOAA Press Conference about 2016 Global Surface Temperatures…

…A Reminder of How Horribly Climate Models Simulate the Surface Temperatures of Earth’s Oceans. Guest Post by Bob Tisdale This post serves as the annual model-data comparison for sea surface…

Inconvenient: Studies find methane and carbon dioxide release is highest in the Arctic during the region’s cold season

From San Diego State University and the “say anything to support the cause” department, comes this press release written by a fellow who obviously does not understand what it means…

Why Albedo is the Wrong Measure of Reflectivity for Modeling Climate

Guest essay by Clyde Spencer The total reflectivity of Earth is important in energy budget calculations and in Global Circulation Models used to predict climate. If the value used is…

Hurricane Main Development Region of North Atlantic – Climate Model-Simulated Sea Surface Temperatures Are Too Cool

And Those Too-Cool Surface Temperatures Create Obvious Problems for Researchers Guest Post by Bob Tisdale UPDATE:  The closing has been revised. The sea surface temperatures of the tropical North Atlantic…

Saturday silliness – Gavin loses it

Josh writes: When Steve MicIntyre writes “In the past few weeks, I’ve been re-examining the long-standing dispute over the discrepancy between models and observations in the tropical troposphere.” you might…