Category Archives: measurement

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

When Did Anthropogenic Global Warming Begin?

By WUWT Regular “Just The Facts”: Note: This article builds upon a previous article, When Did Global Warming Begin?, which offers highly recommended background for this article. There appears to be some confusion as to when humans might have begun … Continue reading

Posted in Carbon dioxide, Land use land cover change, measurement | Tagged , , , , , , | 194 Comments

Turning airliners into flying weather stations

From Scripps Institute New Airborne GPS Technology for Weather Conditions Takes Flight First-time demonstration led by Scripps Institution of Oceanography captures key meteorological data from aircraft, along with the potential to improve hurricane forecasting A new GPS system aboard airplanes … Continue reading

Posted in measurement, Technology, Weather, Weather_stations | 42 Comments

Crowdsourcing A Full Kernel Cascaded Triple Running Mean Low Pass Filter, No Seriously…

Image Credit: Climate Data Blog By Richard Linsley Hood  - Edited by Just The Facts The goal of this crowdsourcing thread is to present a 12 month/365 day Cascaded Triple Running Mean (CTRM) filter, inform readers of its basis and value, and … Continue reading

Posted in Lower Troposphere Temperature, measurement, Temperature | Tagged , , , , , | 355 Comments

Will Global Cooling Continue in 2014? (Now Includes January Data)

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts You may have seen the following recent articles (1, 2 and 3) by Walter Dnes on his January Leading Indicator. The same idea can also be shown … Continue reading

Posted in measurement, Temperature | Tagged , , , , , | 119 Comments

Another Year, Another Nail in the CAGW Coffin (Now Includes December Data)

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts CAGW refers to Catastrophic Anthropogenic Global Warming. Few people doubt that humans have some influence on climate, however the big debate is whether or not we are … Continue reading

Posted in measurement, MetOffice, NASA GISS, Temperature | Tagged , , | 127 Comments

2013 Was Not A Good Year For Catastrophic Anthropogenic Global Climate Warming Change Disruption Weirding Ocean Acidification Extreme Weather, etc.

Image Credit: European Space Agency – CryoSat By WUWT regular “Just The Facts” For anyone keeping track, 2013 has not been a good year for those who propagate the Catastrophic Anthropogenic Global Warming (CAGW) Narrative, also know by a litany … Continue reading

Posted in Climate FAIL, Forecasting, Hiatus in Global Warming, hurricanes, measurement, Sea ice, snowfall, Specific Humidity, Temperature, tornadoes | Tagged , , , , | 69 Comments

HadCRUT4 is From Venus, GISS is From Mars (Now Includes November Data)

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts With apologies to John Gray, it can be seen from the above graph that the two data sets often either go in opposite directions or are different … Continue reading

Posted in Lower Troposphere Temperature, measurement, Temperature | Tagged , , , , | 87 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

A Big Picture Look At “Earth’s Temperature” – Santer 17 Update

Image Credits: NASA,  BP.Blogspot.com, Wikimedia.org By WUWT regular “Just The Facts” NOAA’s State of the Climate In 2008 report found that: The simulations rule out (at the 95% level) zero trends for intervals of 15 yr or more, suggesting that … Continue reading

Posted in Climate data, measurement, Temperature | Tagged , , , | 175 Comments

RSS Reaches Santer’s 17 Years

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts RSS stands for Remote Sensing Systems, which is a satellite temperature data set similar to the University of Alabama – Huntsville (UAH) dataset that John Christy and … Continue reading

Posted in Hiatus in Global Warming, measurement, Temperature | Tagged , , , , | 94 Comments

Statistical Significances – How Long Is “The Pause”? (Now Includes September Data)

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts, Update/Additional Explanatory Commentary from Nick Stokes UPDATE: RSS for October has just come out and the value was 0.207. As a result, RSS has now reached the … Continue reading

Posted in measurement, MetOffice, Temperature | Tagged , , , , , | 112 Comments

Antarctic Sea Ice Didn’t Get The Memo That It Was Supposed To Melt

Image Credit: Cryosphere Today – University of Illinois – Polar Research Group By WUWT Regular Just The Facts Per the graph above, Antarctic Sea Ice Extent has remained above the 1981 – 2010 “normal” range for much of the last … Continue reading

Posted in IPCC, measurement, Sea ice | Tagged , , , , , , | 162 Comments

Global Sea Ice Overview, Walrus Gathering and Northern Regional Sea Ice Retrospective

Image Credit: Cryosphere Today – University of Illinois – Polar Research Group By WUWT Regular Just The Facts For those beating the “imminent Arctic ice death spiral” drum, 2013 has not been a good year. Per the graph above, Global … Continue reading

Posted in Alarmism, measurement, Sea ice | Tagged , , , , , | 52 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

Cycles Without The Mania

Guest Post by Willis Eschenbach Are there cycles in the sun and its associated electromagnetic phenomena? Assuredly. What are the lengths of the cycles? Well, there’s the question. In the process of writing my recent post about cyclomania, I came … Continue reading

Posted in measurement, Uncategorized | Tagged , , , , , , | 434 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

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

Opensource Temperature Data Monitoring Spreadsheet Updating Methodology

Image Credit: Walter Dnes By Walter Dnes – Edited and Comment by Just The Facts and Werner Brozek In my recent WUWT post I introduced an Opensource Temperature Data Monitoring Spreadsheet. The intent of this spreadsheet is to provide some … Continue reading

Posted in Lower Troposphere Temperature, measurement, Temperature | Tagged , , , , | 15 Comments

Historical Sea Surface Temperature Adjustments/Corrections aka “The Bucket Model”…

Image Credit: Bob Tisdale – bobtisdale.wordpress.com By WUWT Regular Just The Facts The recent Adjustments/Corrections to the HadCRUT4 and CRUTEM4 Temperature Data Sets by the Met Office Hadley Centre and Climatic Research Unit got me thinking about the cumulative impact … Continue reading

Posted in Adjustments/Corrections, measurement, MetOffice, Sea Surface Temperature | Tagged , , , , , | 94 Comments