Commentary from Nature Climate Change, by John C. Fyfe, Nathan P. Gillett, & Francis W. Zwiers Recent observed global warming is significantly less than that simulated by climate models. This…
Tag: Climate model
Another uncertainty for climate models – different results on different computers using the same code
New peer reviewed paper finds the same global forecast model produces different results when run on different computers Did you ever wonder how spaghetti like this is produced and why…
Quote of the week – Nature on the failure of climate models
From the world of Claimatology™, comes this smackdown from Nature.
Models Fail: Scandinavian Land Surface Air Temperature Anomalies
UPDATE: I’ve added a comment by Marcel Crok to the end of the post. #### The climate models being used by the IPCC for their upcoming 5th Assessment Report show…
Comparing Climate Models – Part Two
Guest Essay by Geoffrey H Sherrington See Part One of June 20th at http://wattsupwiththat.com/2013/06/20/comparing-climate-models-part-one/ In Part One, there was a challenge to find missing values for a graph that vaguely…
Eos: let's get the bankers and the climate modelers talking, but will the bankers be too realistic?
From Eos June 11, 2013, PAGE 215, comes a recommendation that the finance community and climate scientists work together. One wonders though, if people in the results driven financial world…
Leveraging a Changing Climate: Recent advances in understanding how Species cope with Changing Conditions.
Guest essay by Daniel Bourke Introduction The concept of climate change has become a controversial one. By that it is not meant to be said that the happening of climate…
More climate models FAIL – A chink in the armor at Science?
People send me stuff. Lance Wallace writes: Anthony, this short “Perspectives” report in Science seems to me to be worthy of a posting in WUWT. Not only is it a…
Climate modeling EPIC FAIL – Spencer: 'the day of reckoning has arrived'
I was aware of this story yesterday, but I didn’t like the original plot, (see at the end of this post) since use of straight line linear trends doesn’t accurately…
Anti-information in climate models
Climate History: Cato Boffins Discovered “Anti-information” By Patrick J. Michaels and Paul C. “Chip” Knappenberger While doing some historical studies in preparation for an article in Cato’s Regulation magazine, we…
Are regional models ready for prime time?
Guest post by Marcel Crok A few months ago we made the launch of the international discussion platform . This week we start the third dialogue about the (added) value…
Climate models getting worse than we thought
New paper finds climate models are getting worse rather than better Via the Hockey Schtick: A paper published today in Geophysical Research Letters finds that the latest climate models are…
Climate models fail to ‘predict’ US droughts
Story submitted by WUWT reader “Clyde” Simulations identify past megadroughts, but at wrong times. “This would be a fine country if it only had water,” observes a settler looking at…
A compilation of lower climate sensitivities, plus a new one
Still Another Low Climate Sensitivity Estimate Guest post By Patrick J. Michaels and Paul C. “Chip” Knappenberger Global Science Report is a weekly feature from the Center for the Study…
Michael Mann says climate models cannot explain the Medieval Warming Period – I say they can't even explain the present
Ice core data shows CO2 levels changed less than 10 parts per million from 1600-1800 during the MWP. From the Hockey Schtick: A new paper from Schurer et al (with Mann…
Global Cooling – Methods and Testable Decadal Predictions
Guest post by Dr. Norman Page 1. Methods and Premises My approach to climate science is based on Baconian empirical principles as presented in a series of earlier posts on this…
How well did Hansen (1988) do?
Guest Post by Ira Glickstein. The graphic from RealClimate asks “How well did Hansen et al (1988) do?” They compare actual temperature measurements through 2012 (GISTEMP and HadCRUT4) with Hansen’s…
IPCC Chapter 11 – Bankruptcy Protection
Guest post by David M. Hoffer IPCC reports AR1 through 4 were published in relative obscurity. ClimateGate and the emergence of the blogosphere as the primary forum for debate of…
New study shows: climate models still struggle with medium- term climate forecasts
How cold will a winter be in two years? How well are the most important climate models able to predict the weather conditions for the coming year or even the…
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