Tag Archives: HadCRUT

July 1912 GISS Anomaly (-0.47) Was Warmer Than January 2007 GISS Anomaly (+0.94) – (Now Includes February Data)

Image Credit: The above graphic was sourced from this article by John Kehr on his blog The Inconvenient Skeptic, and he also authored this interesting article on WUWT. Guest Post By Werner Brozek, Edited By Just The Facts It may … Continue reading

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Posted in Lower Troposphere Temperature, measurement, Temperature | Tagged , , , , , | 40 Comments

On data losses -vs- geography in Cowtan and Way 2013: data dropout may account for most of the recent observed differences

At Climate Audit, Roman M. has a very interesting analysis that shows the surface grid cell losses from HadCRUT4 in C&W. It hones in on the issue of why the temperature differences from 2005 are much more significant than the … Continue reading

Posted in Antarctic, Arctic, Cowtan & Way, Sea ice | Tagged , , , , , , , , | 57 Comments

Cowtan and Way – The Magician’s ‘Red Scarf Trick’ with Linear Trend Lines

Guest Post by Kip Hansen There are a lot of good, in-depth technical discussions of Cowtan and Way 2013, Coverage bias in the HadCRUT4 temperature series and its impact on recent temperature trends. This is not one of them. In … Continue reading

Posted in Cowtan & Way, Curious things, Presentations | Tagged , , , , , , , | 79 Comments

Could the Perspectives of Cowtan and Way Negate RSS’s 17 Year Pause? (Now Includes all October Data except Hadcrut)

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts In reference to my previous article RSS Reaches Santer’s 17 Years, and taking into account the good work already done in analyzing Cowtan and Way by Steve … Continue reading

Posted in Cowtan & Way, Lower Troposphere Temperature, measurement | Tagged , , , , | 53 Comments

Cowtan and Way’s ‘pausebuster’, still flat compared to models

Steve McIntyre writes: In the context of IPCC SOD FIgure 1.5 (or similar comparison of models and observations), CW13 is slightly warmer than HadCRUT4 but the difference is small relative to the discrepancy between models and observations; the CW13 variation … Continue reading

Posted in Arctic, Climate data, Modeling | Tagged , , , , , | 95 Comments

If climate data were a stock, now would be the time to SELL

Using a financial markets’ trend-analyses tool to assess temporal trend-changes in global surface temperature anomalies (GSTA). Guest essay by David Dohbro Heated debates (pun intended) are currently on going regarding if the Earth’s surface temperatures continue to rise, have remained … Continue reading

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

RSS Flat For 200 Months (Now Includes July Data)

[NOTE: RSS is a satellite temperature data set much like the UAH dataset from Dr. Roy Spencer and John Christy - Anthony] Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts The graphic above shows 3 … Continue reading

Posted in Climate data, measurement, Sea Surface Temperature, Temperature | Tagged , , , , , , , , | 200 Comments

How Good Are Met Office Predictions? (Now Includes at Least May Data)

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts “We are now using the system to predict changes out to 2014. By the end of this period, the global average temperature is expected to have risen … Continue reading

Posted in Climate data, measurement, Sea Surface Temperature, Temperature | Tagged , , , , , , , , | 40 Comments

Is it time to prosecute the IPCC for fraud?

By Christopher Monckton of Brenchley The IPCC, having spent almost two months working out how to respond to my complaint about a notoriously bogus graph in its Fourth Assessment Report, has found itself not guilty. In doing so, it is … Continue reading

Posted in IPCC | Tagged , , , , , | 98 Comments

Are We in a Pause or a Decline? (Now Includes at Least April* Data)

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts *At least April data was my intention. However as of June 8, HadCRUT3 for April is still not up! Could it be because as of the end … Continue reading

Posted in Climate data, measurement, Sea Surface Temperature, Temperature | Tagged , , , , , , , , | 277 Comments

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

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

Met Office Hadley Centre and Climatic Research Unit HadCRUT4 and CRUTEM4 Temperature Data Sets Adjusted/Corrected/Updated… Can You Guess The Impact?

Image Credit: Met Office Hadley Centre By Just The Facts, Werner Brozek and Walter Dnes The Met Office Hadley Centre and the Climatic Research Unit at the University of East Anglia, have adjusted/corrected/updated their HadCRUT4 & CRUTEM4 data sets, the … Continue reading

Posted in Climate data, MetOffice, Temperature | Tagged , , , , | 99 Comments

Are Climate Models Realistic? (Now Includes at Least February Data)

Guest Post By Werner Brozek, Edited By Just The Facts (Note: If you read my report with the January data and just wish to know what is new with the February data, you will find the most important new things … Continue reading

Posted in Climate data, measurement, Sea Surface Temperature, Temperature | Tagged , , , , , , , , | 78 Comments

Has Global Warming Stalled? (Now Includes January Data)

Guest Post By Werner Brozek, Edited By Just The Facts In order to answer the question in the title, we need to know what time period is a reasonable period to take into consideration. As well, we need to know … Continue reading

Posted in Climate data, measurement, Sea Surface Temperature, Temperature | Tagged , , , , , , , | 83 Comments

Global Temperature Updates – 2012

By Paul Homewood While Obama is imploring us to stop the global warming that is bringing us “the devastating impact of raging fires, and crippling drought, and more powerful storms”, it would seem to be a good idea to see … Continue reading

Posted in Climate data | Tagged , , , , , , , | 23 Comments

Global Temperature Update–September 2012

Guest post by Paul Homewood The HADCRUT data has now been released for September, so we can have a look at the latest figures for the four main global temperature datasets. I have now switched to HADCRUT4, although the Hadley … Continue reading

Posted in Climate data | Tagged , | 58 Comments

Update and confirmation of ‘Global warming stopped 16 years ago’ aka ‘the pause’

This time Dr. Judith Curry weighs in. In an email to me earlier this week she revealed that she has been quite busy with this rebuttal (to warmists) and assisting the Mail with this update to the story that appeared … Continue reading

Posted in Climate data | Tagged , , , , , , | 105 Comments

A quick look at temperature anomaly distributions

R code to look at changing temp distributions – follow up to Hansen/Sato/Ruedy Story submitted by commenter Nullius in Verba There has been a lot of commentary recently on the new Hansen op ed, with associated paper. Like many, I … Continue reading

Posted in Climate data, NASA GISS | Tagged , , | 39 Comments

CRU’s new CRUTem4, hiding the decline yet again

Over at JunkScience.com Steve Milloy writes: Skeptic Setback? ‘New’ CRU data says world has warmed since 1998 But not in a statistically significant way. Gerard Wynn writes at Reuters: Britain’s Climatic Research Unit (CRU), which for years maintained that 1998 … Continue reading

Posted in Climate data | Tagged , , , , , , , | 270 Comments

Volcanic Disruptions

Guest Post by Willis Eschenbach The claim is often made that volcanoes support the theory that forcing rules temperature. The aerosols from the eruptions are injected into the stratosphere. This reflects additional sunlight, and cuts the amount of sunshine that … Continue reading

Posted in Climate sensitivity, Vulcanism | Tagged , , | 216 Comments

Another GISS miss: warming in the Arctic – the adjustments are key

GHCN Temperature Adjustments Affect 40% Of The Arctic By Paul Homewood                          Before                                                           After There has been much discussion recently about temperature adjustments made by GHCN in Iceland and Greenland, which have had the effect of reducing historic temperature levels, thereby … Continue reading

Posted in Climate data | Tagged , , , , , , , | 90 Comments

New WUWT Feature – Scafetta’s forecast -vs- the IPCC forecast

I have a new feature page on WUWT that highlights the work of Nicola Scafetta and his solar-lunar cycle forecast model as it compares to the IPCC forecasts and global temperature reality using HadCRUT surface temperature data. Working with Dr. … Continue reading

Posted in Announcements, Forecasting, IPCC | Tagged , , , , , , ,

Warmer loses BBC sponsored bet: “…the standstill, not the increase, is now this warm period’s defining characteristic.”

Press release London, 13 January: A climate bet proposed by the BBC’s radio programme “More or Less” four years ago has been won by Dr David Whitehouse, a former BBC Science Editor and a scientific adviser to the Global Warming Policy … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , , | 186 Comments

Tisdale on Climate Models Confirming Or Contradicting AGW

Part 2 – Do Observations and Climate Models Confirm Or Contradict The Hypothesis of Anthropogenic Global Warming? Guest Post by Bob Tisdale OVERVIEW This is the second part of a two-part series. There are, however, two versions of part 1. The … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | 74 Comments

An Open Letter to Dr. Phil Jones of the UEA CRU

Guest Post by Willis Eschenbach Dear Dr. Jones: You and I have been interacting, albeit at a distance, since I first asked you for your data some five years ago. I asked for your data in part because I was … Continue reading

Posted in Climategate, Opinion | Tagged , , , , , , , | 317 Comments

IPCC, models, HadCRUT, and cherrymandering

The Rest of the Cherries: 140 decades of Climate Models vs. Observations by Roy W. Spencer, Ph. D. Since one of the criticisms of our recent Remote Sensing paper was that we cherry-picked the climate models we chose to compare … Continue reading

Posted in Climate data, Modeling | Tagged , , , , , | 129 Comments

Global warming is killing the stars

People send me things. Today it is a curious graph of the number of supernovae (dying stars) discovered versus the HadCRUT temperature data since 1960. There’s a good correlation. So at first glance you might conclude two things, 1) GCR’s, … Continue reading

Posted in Astronomy, Citizen science, Climate data, Satire | Tagged , , , | 95 Comments

Analysing the complete hadCRUT yields some surprising results

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

The BBC’s Richard Black Engages in “Goldilocks-Picking”

Guest post by David Middleton From the BBC… Climate: Cherries are not the only fruit Just about the most predictable event of the week was the tempest of opinion created by the analysis of global temperature changes published in the … Continue reading

Posted in Climate FAIL, media, Paleoclimatology | Tagged , , , , , | 103 Comments

UAH and UHI

Note: clearly satellites can see urban heat, as demonstrated by this recent paper unveiled at the 2010 AGU meeting by NASA. See: Satellites Image the Urban Heat Islands in the Northeast. It can also be demonstrated that the UHI biases the … Continue reading

Posted in Climate data, Land use land cover change, UHI | Tagged , , , , , , , | 155 Comments