Modeling the Polar Bear Tipping Point

After reading this BBC article on modeling the “tipping point” of polar bear populations, it seemed this photo summed it up well, especially since modeling was substituted in lieu of…

Gavin's sensitive side

Sensitive side (from the NASA Global Climate Change Website) By Rosemary Sullivant, NASA Jet Propulsion Laboratory A little extra carbon dioxide in the air may, unfortunately, go further towards warming…

AGW to reach…"The Edge of Wetness"…

Johnny Carson of the Tonight Show used to do a schtick called “The Edge of Wetness” which was a parody of a soap opera called “The Edge of Night” It…

Disconnected Computer Modeling

By Steven Goddard I found a computer simulation of Arctic ice produced by The University Of Washington, which struck me as being particularly disconnected from reality. This group is forecasting that September…

New ground truth: soil microbe negative feedback

This could be a game changer. From the University of California, Irvine press release, a finding that suggests soil microbes have a negative feedback with temperature increase. This has broad…

Quote of the week #34: NASA doubts climate model certainty

Amazingly, this one is from NASA, citing doubt in the climate models that have become the mainstay of the AGW issue. This is from a NASA publication.

Predictions Of Global Mean Temperatures & IPCC Projections

Guest post by Girma Orssengo, B. Tech, MASc, PhD The Intergovernmental Panel on Climate Change (IPCC) claims that human emission of CO2 causes catastrophic global warming. When such extraordinary claim…

In Defense Of The Met Office

By Steven Goddard As reported on WUWT, The UK Met Office is taking a lot of heat for airline financial loses, caused by no flight rules during the Icelandic volcanic…

Airlines Blame Flawed Computer Modeling For Up To $1.7 Billion Loss

As a follow up to our 4/19 story about ash cloud modeling: Ash cloud models – overrated? A word on Post Normal Science by Dr. Jerome Ravetz I offer below a…

Response to Dr. Meier's answer #9 – coin flips in the context of climate modeling

Guest post by Steven Goddard In his recent article, NSIDC’s Dr. Meier answered Question #9 “Are the models capable of projecting climate changes for 100 years?” with a coin flipping…

A New And Effective Climate Model

The problem with existing climate models: Guest post by Stephen Wilde Even those who aver that man’s activity affects climate on a global scale rather than just locally or regionally…

March Modeling Madness

Is March In The Upper Midwest Losing It’s Freeze? The actual data doesn’t seem to support Climate Central’s recent claim. Guest post by Steven Goddard Yesterday, WUWT discussed an article…

North American snow models miss the mark – observed trend opposite of the predictions

While some other bloggers and journalists insist that recent winter snows are proof of global warming effects, they miss the fact that models have been predicting less snow in the…

Brace for the tipping point

Climate ‘Tipping Points’ May Arrive Without Warning, Says Top Forecaster From a UC Davis press release A new University of California, Davis, study by a top ecological forecaster says it…

UCAR: Roof white out helps UHI

I find it humorous thatUCAR had to resort to modeling to prove something that can be measured empirically. But then again this is UCAR, and they have a big computer…

Spencer: Natural variability unexplained in IPCC models

Evidence for Natural Climate Cycles in the IPCC Climate Models’ 20th Century Temperature Reconstructions by Roy W. Spencer, Ph. D. What can we learn from the IPCC climate models based…

Tiny bubbles…in the brine…affects the climate…all the time

URI bubble physicist counts bubbles in the ocean to answer questions about climate, sound, light From a University of Rhode Island press release NARRAGANSETT, R.I. – January 21, 2010 –…

Brookhaven National Laboratory: Why Hasn't Earth Warmed as Much as Expected?

From the BNL press release, some serious questions about climate sensitivity and aerosols. Why Hasn’t Earth Warmed as Much as Expected? New report on climate change explores the reasons January…

NCAR's dirty little secret

by Anthony Watts WUWT readers of course have heard about the Met Office and their giant new supercomputer called “deep black” that they use for climate simulation and short term…

Forecasting The Arctic Oscillation

Recently the Chief of the met office went on UK TV to say: “OUR SHORT TERM FORECASTS ARE AMONG THE BEST IN THE WORLD.” (see video here) Yesterday, the UK…