Category Archives: PDO

On Muller et al (2013) “Decadal variations in the global atmospheric land temperatures”

Posted on June 18, 2013 by

I received an email yesterday morning advising me that Muller et al (2013) had been published. (Thanks, Marc.) The title of the paper is “Decadal variations in the global atmospheric land temperatures”. The abstract is here and a preprint version … Continue reading →

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Posted in AMO, Berkeley Earth Surface Temperature, ENSO, PDO | 72 Comments

Decadal Oscillations Of The Pacific Kind

Posted on June 8, 2013 by

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 the future of the climate … I don’t think so … Continue reading →

Posted in PDO | Tagged , , | 273 Comments

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

Posted on June 5, 2013 by

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 interesting thing is PDO in this graph appears to have … Continue reading →

Posted in Climate data, PDO | Tagged , , , , , , , | 102 Comments

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

Posted on May 14, 2013 by

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 it to sink – but that’s not the cause   … Continue reading →

Posted in Arctic, PDO, Sea Surface Temperature | Tagged , , , , , , , | 16 Comments

Multidecadal Variations and Sea Surface Temperature Reconstructions

Posted on May 14, 2013 by

UPDATE: I’ve added a link at the end of the post for those interested in a copy of it in .pdf format. ########### OVERVIEW This is a somewhat lengthy blog post. There’s lots of information for newcomers, and there are … Continue reading →

Posted in AMO, ENSO, PDO, Sea Surface Temperature | 29 Comments

The Shifts Hypothesis – an alternative view of global climate change

Posted on April 26, 2013 by

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 “Shifts” hypothesis. And we consider it to have advantages over … Continue reading →

Posted in PDO | Tagged , , | 148 Comments

Coralline Algae and the Case for Natural Climate Change

Posted on January 28, 2013 by

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 oscillations, “Marine proxy evidence linking decadal North Pacific and Atlantic … Continue reading →

Posted in PDO | Tagged , , , , , , , | 64 Comments

Cooling in the near future?

Posted on November 19, 2012 by

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 likely future course of  climate change has become reasonably clear. The earth … Continue reading →

Posted in Forecasting, PDO | Tagged , , , | 177 Comments

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

Posted on October 19, 2012 by

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“: I am sure that you are aware of the fact … Continue reading →

Posted in PDO, Solar | Tagged , , , , , | 170 Comments

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

Posted on July 5, 2012 by

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 Anomaly which had been erased in previous papers Mann had … Continue reading →

Posted in Climate data, Paleoclimatology, PDO | Tagged , , , , , , , , | 147 Comments

Tisdale on the Curious Northern Hemisphere Sea Surface Temperature Anomaly Patterns

Posted on July 3, 2012 by

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. Last week ended on June 30th, so the preliminary data … Continue reading →

Posted in ENSO, PDO | Tagged , , , , , , , | 62 Comments

More data fiddling – this time in NOAA’s ENSO data

Posted on June 5, 2012 by

Plot below showing ONI -vs- Aqua Channel 5 Temperature from lukewarmplanet (not Tisdale) to illustrate what he is talking about in his upcoming book. – Anthony Comments on NOAA’s Recent Changes to the Oceanic NINO Index (ONI) Guest post by Bob … Continue reading →

Posted in ENSO, NOAA, PDO | Tagged , , , , , , , | 68 Comments

Crowdsourced Climate Complexity – Compiling the WUWT Potential Climatic Variables Reference Page

Posted on February 19, 2012 by

By WUWT regular “Just The Facts” With the help of an array of WUWT reader comments, which began on this thread on January, 15th 2011, and grew on January 22nd, 2011, February 10th, 2011, February 28th, 2011, June 30th, 2011 … Continue reading →

Posted in AMO, Announcements, Antarctic, Arctic, Carbon dioxide, Carbon sequestration, Citizen science, Climate data, clouds, Cosmic rays, dust storms, Earth, Education, Energy, ENSO, Environment, feedbacks, flooding, Forecasting, geothermal energy, Global warming, hurricanes, Land use land cover change, lightning, measurement, Methane, Modeling, Oceans, PDO, Science, Sea ice, snowfall, Temperature, tornadoes, UHI, Weather | Tagged , , , , , , , , | 132 Comments

The Ridiculousness Continues – Climate Complexity Compiled

Posted on January 21, 2012 by

By WUWT regular “Just The Facts” With the help of an array of WUWT reader comments on this thread and several others documented within, I’ve been compiling a summary of all potential climatic variables in order to build a conceptual … Continue reading →

Posted in Aerosols, AMO, Antarctic, Arctic, Climate data, clouds, Cosmic rays, dust storms, Earth, Earthquakes, Energy, ENSO, feedbacks, geothermal energy, Gravity, hurricanes, Methane, Oceans, PDO, petroleum, Science, Sea ice, Snow, Solar, solar power, thorium power, tornadoes, wind power | Tagged , , , , , , , , , , | 266 Comments

Global temps in a Crash as AGW proponents Crash the Economy

Posted on January 19, 2012 by

By Joe Bastardi, Weatherbell Analytics When the PDO turned cold, most of the meteorological and climate community understood that the pattern was turning very similar the last time of the PDO reversal, the 1950s, and it was a matter of … Continue reading →

Posted in Climate data, PDO, Weather | Tagged , , , , , , | 313 Comments

Yet Even More Discussions About The Pacific Decadal Oscillation (PDO)

Posted on June 30, 2011 by

Guest post by Bob Tisdale INTRODUCTION I’ve written numerous posts that describe the Pacific Decadal Oscillation (PDO), what the PDO represents, and, just as important, what it does not represent. For those new to the PDO and for those needing … Continue reading →

Posted in PDO | Tagged , | 100 Comments

New WUWT Oceanic Oscillation Page – With Link Tutorial

Posted on May 30, 2011 by

Introducing WUWT’s newest addition, the Oceanic Oscillation Page, which includes graphs and graphics,on Oceanic Oscillations including the Pacific Decadal Oscillation (PDO), El Niño/La Niña and the Atlantic Multi-Decadal Oscillation (AMO). It was a struggle to find content for this page, … Continue reading →

Posted in AMO, Climate data, ENSO, measurement, Oceans, PDO, Uncategorized | Tagged , , , , , | 17 Comments

Arctic Cycles – AMO+PDO corresponds to Arctic station group

Posted on May 22, 2011 by

The following figure shows the AMO+PDO (black line above changed to red below) superimposed on the Arctic average annual temperature shown at the beginning of this document.

Posted in AMO, Arctic, PDO | Tagged | 68 Comments

Interannual Terrestrial Oscillations

Posted on May 15, 2011 by

There’s a saying, “timing is everything”. After reading this, I think it is more true than ever. In other news. Paul Vaughn is giving Bob Tisdale serious competition in the contest over who can fit the most graphs into a … Continue reading →

Posted in ENSO, PDO | Tagged , , , , | 140 Comments

Nenana 2011 Ice Classic result

Posted on May 7, 2011 by

In case you missed it, the official result for 2011 is in: The Tanana River officially broke up on May 4, 2011 at 4:24 PM and here’s the clock Here’s the context of the date in comparison with all of … Continue reading →

Posted in Oceans, PDO | Tagged , , , | 28 Comments