Tag Archives: Instrumental temperature record

Declining global average cloud height: “A significant measure of negative feedback to global warming”

Posted on February 9, 2012 by

Guest post by Dr. Pat Michaels – reposted (with permission) from World Climate Report A new paper just published in Geophysical Research Letters by Roger Davies and Mathew Molloy of the University of Auckland finds that over the past decade … Continue reading →

Posted in climate sensitivity | Tagged , , , , , , , | 98 Comments

How reliable are global temperature “anomalies” ?

Posted on February 7, 2012 by

Guest post by Clive Best Perhaps like me you have  wondered why “global warming” is always measured using temperature “anomalies” rather than by directly measuring the absolute temperatures ? Why can’t we simply average  the surface station data together to … Continue reading →

Posted in climate data | Tagged , , , , , , , | 82 Comments

Tisdale on Foster and Rahmstorf – take 2

Posted on January 14, 2012 by

Bob has asked me to carry this post, and I’m happy to do so. For those who want to criticize without contributing anything but criticism, I offer this insight: The only real mistake is the one from which we learn … Continue reading →

Posted in ENSO, Sea Surface Temperature | Tagged , , , , , , , | 147 Comments

A controversial look at Blackbody radiation and Earth minus GHG’s

Posted on December 26, 2011 by

Guest Post by Reed Coray On Dec. 6, 2011 12:12 am Lord Monckton posted a comment on a thread entitled Monckton on sensitivity training at Durban that appeared on this blog on Dec. 5, 2011. In that comment he wrote: … Continue reading →

Posted in Radiation, Science | Tagged , , , , , , , | 239 Comments

UCAR on Blocking Highs, heat waves, and modeling limits

Posted on December 8, 2011 by

Dr. Roger Pielke Sr. writes: Candid Admission By UCAR – “Blocking The Way – Predicting The Atmospheric Detours That Lead To Weather Troubles” There was an interesting article in the Fall issue of the UCAR Magazine titled by Bob Henson titled Blocking The … Continue reading →

Posted in heat wave, modeling | Tagged , , , , , , , | 50 Comments

An Initial Look At The Hindcasts Of The NCAR CCSM4 Coupled Climate Model

Posted on November 5, 2011 by

Guest post by Bob Tisdale OVERVIEW This post compares the instrument observations of three global temperature anomaly datasets (NINO3, Global, and North Atlantic “Plus”) to the hindcasts of the NCAR couple climate model CCSM4, which was used in a couple … Continue reading →

Posted in modeling | Tagged , , , , , , , | 104 Comments

Real Climate pans BEST and Muller

Posted on October 24, 2011 by

In a shocking development that may represent a singularity, I find myself in agreement* with parts of an opinion piece posted on Real Climate today called Berkeley Earthquake Called Off. Dr. Eric Steig writes: Anybody expecting earthshaking news from Berkeley, … Continue reading →

Posted in Berkeley Earth Surface Temperature | Tagged , , , | 64 Comments

The Berkeley Earth Surface Temperature project puts PR before peer review

Posted on October 20, 2011 by

UPDATE: see this new story BEST: What I agree with and what I disagree with – plus a call for additional transparency to prevent “pal” review ======================================================= Readers may recall this post last week where I complained about being put in … Continue reading →

Posted in Berkeley Earth Surface Temperature, climate data, peer review, post-normal science | Tagged , , , , , , | 409 Comments

Analysing the complete hadCRUT yields some surprising results

Posted on August 4, 2011 by

From The Reference Frame, 30 July 2011 via the GWPF HadCRUT3: 30% Of Stations Recorded A Cooling Trend In Their Whole History The warming recorded by the HadCRUT3 data is not global. Despite the fact that the average station records … Continue reading →

Posted in climate data, GHCN, weather_stations | Tagged , , , , , | 111 Comments

Crater Lake USHCN weather station – the GISS removal

Posted on June 9, 2011 by

Readers may recall I wrote in this article about my family memorial day excursion to Crater Lake: Crater Lake happens to have a USHCN weather station, and it is one of the few stations that GISS excludes (they have an … Continue reading →

Posted in weather_stations | Tagged , , | 78 Comments

Siting related temperature bias at the Dutch Meteorological Institute (KNMI)

Posted on May 18, 2011 by

“This a complicating factor for the homogenization of daily temperature series.” WUWT first reported on the issues with the KNMI De Bilt weather station in October 2009 here. About that time, Dr. Pielke Sr. and I were given access to … Continue reading →

Posted in climate data | Tagged , , , | 38 Comments

NCDC cites “controversy” with the UAH temperature record, and the search for a “true climate signal”

Posted on May 13, 2011 by

This article in the January/February edition of WIRES Climate Change doesn’t surprise me at all. With the uncertainty of the surface temperature record in question, the Met Office’s Peter Thorne and NCDC’s Tom Peterson, who once wrote a ghost authored … Continue reading →

Posted in climate data | Tagged , , , , , | 67 Comments

Climate Science Myths And Misconceptions – Post #2 On The Metric Of Global Warming

Posted on April 14, 2011 by

Guest post by Dr. Roger Pielke Senior As discussed in the post Climate Science Myths And Misconceptions – Post #1 On The Global Annual Average Surface Temperature Trend the global annual average surface temperature trend has become the icon of communicating climate … Continue reading →

Posted in climate data | Tagged , , | 38 Comments

Pielke Senior: Climate Science Myths & Misconceptions

Posted on April 11, 2011 by

Climate Science Myths And Misconceptions – Post #1 On The Global Annual Average Surface Temperature Trend By Dr. Roger Pielke Senior There are a remarkable number of myths and misconceptions about climate science. In a set of upcoming posts in the coming weeks starting … Continue reading →

Posted in Uncategorized | Tagged | 28 Comments

Expect the BEST, plan for the worst

Posted on March 31, 2011 by

RELATED ARTICLES, highly suggested: Clarification on BEST submitted to the House Pielke Sr. on the Muller testimony Independent company station siting analysis demonstrates the problem Quote of the Week – other scientists weigh in Guest Post by Willis Eschenbach Well, I had … Continue reading →

Posted in Uncategorized | Tagged | 297 Comments

Briggs on Berkeley’s forthcoming BEST surface temperature record, plus my thoughts from my visit there

Posted on March 6, 2011 by

UPDATE: for those visiting here via links, see my recent letter regarding Dr. Richard Muller and BEST. I have some quiet time this Sunday morning in my hotel room after a hectic week on the road, so it seems like … Continue reading →

Posted in climate data | Tagged , , , , , , , | 121 Comments

A Cherry-Picker’s Guide to Temperature Trends Update: Warming Crisis Not

Posted on February 8, 2011 by

by Chip Knappenberger at Master Resource Back in October 2009, my post “A Cherry-Picker’s Guide to Temperature Trends” examined the many different statements that could be made to describe the tendencies of global temperatures over the past 20 years. I concluded that … Continue reading →

Posted in Uncategorized | Tagged , , , | 21 Comments

Some People Claim There’s a Human to Blame (GW Tiger)

Posted on January 31, 2011 by

Guest post by Ira Glickstein Some people claim that there’s a woman to blame, But I know, it’s my own damn fault.. The original Jimmy Buffet lyrics say “woman to blame” but I changed it to “human” in the title … Continue reading →

Posted in Carbon dioxide, climate data, IPCC, Land use land cover change, measurement | Tagged , | 95 Comments

WMO: 2010 warmest, but no statistically significant difference between global temperatures in 2010, 2005 and 1998

Posted on January 20, 2011 by

See below for an interview from Dr. Bob Carter. Press Release No. 906 For use of the information media Not an official record 2010 equals record for world’s warmest year Geneva, 20 January 2011 (WMO) – The year 2010 ranked … Continue reading →

Posted in Uncategorized | Tagged , | 56 Comments

Surface temperature uncertainty, quantified

Posted on January 20, 2011 by

There is a new paper out that investigates something that has not previously been well dealt with related to the surface temperature record (at least as far as the author knows). “Sensor measurement uncertainty”. The author has defined a lower … Continue reading →

Posted in climate data, weather_stations | Tagged , , , | 101 Comments

Richard Lindzen: A Case Against Precipitous Climate Action

Posted on January 17, 2011 by

Via the GWPF, an essay by Dr. Richard Lindzen of MIT: The notion of a static, unchanging climate is foreign to the history of the earth or any other planet with a fluid envelope. The fact that the developed world … Continue reading →

Posted in Uncategorized | Tagged , , | 145 Comments

BBC “disappears” headline “Coldest December Day on record for some sites”

Posted on December 6, 2010 by

People send me stuff. Strange, what could be so wrong or threatening about this story headline that it simply had to “vanish” without so much as a correction or a note as to why? Fortunately the Internet has a memory. … Continue reading →

Posted in climate data, media | Tagged , , , | 80 Comments