Tag Archives: pacific decadal oscillation

German skeptics Lüning and Vahrenholt respond to criticism

Posted on February 13, 2012 by

Foreword: Dr Sebastian Lüning and Prof. Fritz Vahrenholt, authors of a new controversial skeptic book now hitting German bookstores, have asked me to post their response to comments made by climate scientist Georg Feulner of the Potsdam Institute for Climate … Continue reading →

Posted in cosmic rays, Opinion | Tagged , , , , , , , , , , | 200 Comments

Sense and Sensitivity II – the sequel

Posted on January 15, 2012 by

By Christopher Monckton of Brenchley Joel Shore, who has been questioning my climate-sensitivity calculations, just as a good skeptic should, has kindly provided at my request a reference to a paper by Dr. Andrew Lacis and others at the Goddard … Continue reading →

Posted in climate sensitivity, modeling | Tagged , , , , , , , | 206 Comments

The November AMO index goes negative, first time since 1996

Posted on December 9, 2011 by

Joe D’Aleo reports via email that the Atlantic Multidecadal Oscillation (AMO) Index has gone negative for this past month, see the graph below: Source:http://www.esrl.noaa.gov/psd/data/correlation/amon.us.data This is the first time the November value has been negative since about 1996. It appears … Continue reading →

Posted in AMO | Tagged , , , , , , , | 157 Comments

Why is 20 years statistically significant when 10 years is not?

Posted on November 5, 2011 by

Guest post by James Padgett Many of you are aware that the concept of continental drift, proposed by Alfred Wegener, was widely ridiculed by his contemporaries. This reaction was in spite of the very clear visual evidence that the continents … Continue reading →

Posted in climate data | Tagged , , | 200 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

On The AMO+PDO Dataset

Posted on June 8, 2011 by

Bob Tisdale suggests that the way some folks have combined the PDO and AMO datasets t produce a new curve is wrong, and here is his supporting analysis. – Anthony Guest post by Bob Tisdale Including A Discussion Of Its … Continue reading →

Posted in climate data, Sea Surface Temperature | Tagged , | 58 Comments

According to the best-sited stations, the diurnal temperature range in the lower 48 states has no century-scale trend.

Posted on May 19, 2011 by

It seems that a number of folks have missed one of the more important conclusions from our first paper on the surfacestations project. Co-author Dr. John Nielsen-Gammon has some things to say about it the finding that is the title. … Continue reading →

Posted in climate data, weather_stations | Tagged , | 67 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

Stockwell asks: Is the Atmosphere Still Warming?

Posted on April 13, 2011 by

Guest post by Dr. David Stockwell I suspect that the only really convincing evidence against global warming is a sustained period of no global warming or cooling — climate sensitivity and feedbacks are too esoteric. I have followed the recent … Continue reading →

Posted in ENSO, PDO | Tagged , , | 98 Comments

Stratospheric water vapor may have contributed about a third of the warming 1980-2000 but now is in decline

Posted on April 6, 2011 by

Don’t Ignore Nature From the Global Warming Policy Foundation by Dr. David Whitehouse How many times have you seen, read or heard some climate ‘expert’ or other say that mankind’s greenhouse gas emissions are largely responsible for the unprecedented warming … Continue reading →

Posted in stratospheric water vapor | Tagged , , , | 29 Comments

NOAA’s CSI explains record snows: global warming not involved

Posted on February 21, 2011 by

This analysis from NOAA’s Climate Scene Investigators (CSI) shows that there’s no historical signature which would implicate a human fingerprint, or as they say: Specifically, they wanted to know if human-induced global warming could have caused the snowstorms due to … Continue reading →

Posted in snowfall, weather | Tagged , , , | 88 Comments

CSIRO – climate variability caused drought, not climate change

Posted on January 21, 2011 by

While this is a bit dated, from late last year, given all the attention given to the floods in Queensland supposedly being caused by global warming aka climate change, this seemed relevant to review. h/t to reader Baa Humbug and … Continue reading →

Posted in drought, ENSO | Tagged , | 38 Comments

California Climate, PDO, LOD, and Sunspot Departure

Posted on October 7, 2007 by

Above: Length of Day Compared to Global Temperature since 1890 Below is a paper by former California State Climatologist, Jim Goodridge. Jim  has been quietly working on a  number of rainfall and climate projects both for himself, and as a … Continue reading →

Posted in climate_change | Tagged , , , , | 13 Comments