The Science of Snowfall and Climate Snowjobs

Jim Steele “As scientists who study what controls snowfall admit, “There are “no easy answers” to the question of climate change and snow” Nonetheless click bait media doesnt hesitate to…

Setting the record straight on ‘the cause of pause in global warming’

Guest essay by Don J. Easterbrook, Dept. of Geology, Western Washington University Last week in my post ‘‘The cause of pause in global warming,” I presented data showing that the…

New study shows Pacific Decadal Oscillation and sea surface temperature drive US tornado strength

From the University of Missouri-Columbia, one more example of how natural variation has trumped the supposed forcing of CO2 to make ‘bad weather’. Pacific ocean temperature influences tornado activity in…

Chylek et al 2013 shows a linkage between US Southwest climate and AMO/PDO cycles

This paper suggests that the CMIP5 models’ (which IPCC relies upon) predicted US SW temperature sensitivity to the GHG has been significantly overestimated by about a factor of two. Imprint…

New paper from Dr. Judith Curry could explain 'the pause'

From the Georgia Institute of Technology ‘Stadium waves’ could explain lull in global warming One of the most controversial issues emerging from the recent Intergovernmental Panel on Climate Change (IPCC)…

Climate change is dominated by the water cycle, not carbon dioxide

Guest essay by Steve Goreham Originally published in The Washington Times Climate scientists are obsessed with carbon dioxide. The newly released Fifth Assessment Report of the Intergovernmental Panel on Climate…

Unwarranted Temperature Adjustments and Al Gore's Unwarranted Call for Intellectual Tyranny

Guest essay by Jim Steele, Director emeritus Sierra Nevada Field Campus, San Francisco State University For researchers like myself examining the effect of local microclimates on the ecology of local…

Syun Akasofu's work provokes journal resignation

Editorial board member pissed off over a paper on “the pause” Story submitted by WUWT reader Duane Oldsen WUWT readers may remember Dr. Syun Akasofu as the source of a…

The 'Diffenbaugh Delusion' – refuted with a single graph of temperature

From Stanford University,  a claim easily refuted with a single graph of Tmax. See below. Global warming has increased risk of record heat, say Stanford scientists Drought shriveled crops in…

Heat Waves Validate the Skeptics

Essay by Jim Steele, Director emeritus, Sierra Nevada Field Campus, San Francisco State University The heat wave and near record-breaking temperatures in Death Valley provides a superb teaching moment to…

How data revisionism hypes global warming

By Christopher Monckton of Brenchley I have now had the opportunity to study SteveF’s remarkable essay at Lucia’s Blackboard, to which Anthony kindly draws attention in his footnote to my…

Decadal Oscillations Of The Pacific Kind

Guest Post by Willis Eschenbach The recent post here on WUWT about the Pacific Decadal Oscillation (PDO) has a lot of folks claiming that the PDO is useful for predicting…

Does the Pacific Decadal Oscillation have predictive skill for global temperature?

Reader Eric Worrall writes: I was playing with Wood For Trees, looking at the relationship between Pacific Decadal Oscillation vs global temperature (Hadcrut 4), when the following graph appeared. The…

Global Warming theory has failed all tests, so alarmists return to the ‘97% consensus’ hoax

 Guest essay by Joseph D’Aleo, CCM, Weatherbell Analytics National Academies of Science defines a scientific theory as “a well-substantiated explanation of the natural world that can incorporate facts, laws, inferences,…

HadCRUt4: revision or revisionism?

Guest essay by Christopher Monckton of Brenchley As Bob Tisdale has recently pointed out, the monthly temperature anomaly series published by the Hadley Centre and the Climatic Research Unit at…

On Hartmann and Wendler 2005 “The Significance of the 1976 Pacific Climate Shift in the Climatology of Alaska.”

Note: this is a companion article for the story: The Guardian’s Suzanne Goldenberg takes a fossil fueled trip to a remote Alaskan village to tell us recent global warming caused…

The Shifts Hypothesis – an alternative view of global climate change

Guest post by Pavel Belolipetsky The IPCC, Bob Tisdale and others have presented hypotheses to explain 20th century warming. This article presents another. My co-workers and I call it the…

Study: natural variation still rules monsoons

From the University of Hawaii ‑ SOEST Natural climate swings contribute more to increased monsoon rainfall than global warming Natural swings in the climate have significantly intensified Northern Hemisphere monsoon…

Coralline Algae and the Case for Natural Climate Change

Guest post by Jim Steele Director Sierra Nevada Field Campus, emeritus, San Francisco State University There was a very revealing 2012 paper demonstrating the power and interconnections of natural ocean…

Why El Niño and not the AMO?

Guest Post by Willis Eschenbach On another thread, a poster got me thinking about the common practice of using the El Nino 3.4 Index to remove some of the variability…

Cooling in the near future?

Global Cooling – Climate and Weather Forecasting. Guest post by Dr. Norman Page Introduction. Over the last 10 years or so as new data have accumulated the general trend and…

Muscheler retracts? Offers a NEW excuse for why solar activity can't be responsible for post-70's warming

Guest post by Alec Rawls Technically Dr. Muscheler is asking me to retract the title of my post, “Raimund Muscheler says that a steady high level of forcing can’t cause warming“:…

Linking the ENSO and PDO induced rainfall of the Pacific Northwest to proxy data in tree rings and lake sediments

From Penn State , another Mann paper with proxy sets, and a divergence problem. At least they are talking about the MWP, or as they call it, the Medieval Climate…

Tisdale on the Curious Northern Hemisphere Sea Surface Temperature Anomaly Patterns

Guest post by Bob Tisdale This post will serve as the Preliminary Sea Surface Temperature Anomaly Update for June 2012, since we’ll be using preliminary June 2012 data in it.…