Author Archives: justthefactswuwt

GISS is Unique (Now Includes May Data)

Guest Essay By Werner Brozek, Edited by Just The Facts In comparing GISS with the other five data sets that I comment on, some of the points I raise below overlap, and others could be added. However, and in no … Continue reading

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Posted in GISS, Temperature | Tagged , , , , | 82 Comments

GISS Hockey-Stick Adjustments

Guest Post By Walter Dnes: There have been various comments recently about GISS’ “dancing data”, and it just so happens that as GISS data is updated monthly, I’ve been downloading it monthly since 2008. In addition, I’ve captured some older … Continue reading

Posted in Adjustments/Corrections, GISS, Temperature | Tagged , , | 92 Comments

New WUWT ENSO Forecast Page, Underwater Upgrades to the WUWT ENSO Page and a Disturbance in the Equatorial Atlantic

Guest Post by Just The Facts Introducing the new WUWT ENSO Forecast Page with an array of low skill forecasts… There are also several upgrades to the WUWT ENSO page, including new Sea Temperature Anomalies at depths. Lastly, WUWT reader … Continue reading

Posted in Climate News, ENSO, Reference Pages, Volcanoes | Tagged , | 58 Comments

Can GISS And Other Data Sets Set Records in 2014? (Now Includes April Data)

Guest Post by Werner Brozek (Edited By Just The Facts) GISS and other sets are  poised to set new records in 2014, even without an El Nino. The present GISS record is a two way tie for first place with … Continue reading

Posted in Lower Troposphere Temperature, measurement, Sea Surface Temperature, Temperature | Tagged , , | 124 Comments

How Would A Super El Niño Affect RSS in 2014? (Now Includes March Data)

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts I will attempt to answer the question in the title from two different perspectives. First of all, can a super El Niño cause the present 1998 record … Continue reading

Posted in measurement, Temperature | Tagged , , , , , | 92 Comments

What Defines A Scientist?

By WUWT Regular “Just The Facts” According to USA Today on April 3rd and repeated on April 4th: “Keith Baugues is not a scientist, but that didn’t stop him on a recent wintry day from expressing skepticism about global warming … Continue reading

Posted in Science | Tagged , , , | 311 Comments

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

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

Arctic Sea Ice Appears to Have Reached Maximum And Other Ice Observations

Image Credit: National Snow & Ice Data Center (NSIDC) By WUWT Regular “Just The Facts” Per the image above, Arctic Sea Ice Extent made a late season run, but it appears to have reached its maximum for the year. “NSIDC … Continue reading

Posted in Sea ice, Sea Ice News | Tagged , , , , | 80 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

Mysterious new man-made gases pose threat to ozone layer…

Image Credits: NOAA – National Weather Service – Climate Prediction Center By WUWT Regular “Just The Facts” On the heels of Andrew Dessler’s Ozone Hole tweet, we have from the BBC: “Researchers from the University of East Anglia have discovered … Continue reading

Posted in CFC's, Ozone, Polar Vortex | Tagged , , , | 167 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

JLI Final Forecasts for 2014

Guest Post By Walter Dnes The NOAA(NCDC) January data set update was delayed. It came in during the afternoon/evening of March 6th. With all the January data being in, now is the time for the January Leading Indicator “JLI” algorithm … Continue reading

Posted in Forecasting, Lower Troposphere Temperature, Temperature | Tagged , , , , | 68 Comments

Introducing the WUWT Great Lakes Ice Reference Page

Image Credit: NOAA Great Lakes Surface Environment Analysis (GLSEA) Great Lakes Ice Cover reached 91.8% yesterday, after Wednesday’s coverage of 91% made 2014 the second highest maximum on record. Great Lakes Ice Cover is well within striking distance of the … Continue reading

Posted in Reference Pages, Sea ice | Tagged , , | 91 Comments

Southern Sea Ice Area Minimum 2nd Highest on Record

By WUWT Regular Just The Facts Southern Hemisphere Sea Ice Area reached a minimum of 2.447 Million Sq km on February 23rd, 2014, which exceeded the prior 2nd highest minimum of 2.423 Million Sq km that occurred on February 22nd, 2013. … Continue reading

Posted in records, Sea ice, Sea Ice News | Tagged , , , , , | 74 Comments

Finally A Real Scientific Consensus – Everyone Agrees That The Recent Displaced Polar Vortex Wasn’t Caused By Global Warming

Image Credits: Soft Pixel – clker.com – Cagel.com By WUWT Regular “Just The Facts” For anyone who was witness to the absurdity of the recent warming makes it cold meme, it should come as no surprise that even ardent Catastrophic … Continue reading

Posted in Climate News, Polar Vortex, Sea ice, Vortex | Tagged , , | 134 Comments

Anthropogenic Influences On Lake Ice Coverage; Ice Breakers, Waste Heat, Dams, etc.?

Image Credits: NOAA Great Lakes Surface Environment Analysis (GLSEA) By WUWT Regular “Just The Facts” Per the images above, on February 13th, 2014, Great Lakes Ice Coverage was 88.4%. On February 14th, Ice Coverage dropped to 80.2 %, and has … Continue reading

Posted in Sea ice | Tagged , , , , | 72 Comments

The $2.2 Billion Bird-Scorching Solar Project At California’s Ivanpah Plant

It’s not just Wind Turbines that kill wildlife, from the Wall Street Journal: “A giant solar-power project officially opening this week in the California desert is the first of its kind, and may be among the last, in part because … Continue reading

Posted in Green tech, Solar | Tagged , , , | 241 Comments

JLI First Forecasts

Image Credit: Walter Dnes By Walter Dnes – Edited by Just The Facts In a recent post I introduced The “January Leading Indicator“. At that time, there were some concerns expressed. The attached spreadsheet has been updated to address items … Continue reading

Posted in Forecasting, Temperature | Tagged , , | 34 Comments

When Does A Displaced Polar Vortex Become A Split Vortex?

By WUWT Regular “Just The Facts” As discussed last week, the Northern Stratospheric Polar Vortex appears to have been displaced in January and now it appears to be splitting into two discrete lobes, i.e. see the image above with two … Continue reading

Posted in Polar Vortex, Temperature, Vortex | Tagged , , | 125 Comments

The January Leading Indicator

By Walter Dnes – Edited by Just The Facts Investopedia defines “Leading Indicator” thusly… A measurable economic factor that changes before the economy starts to follow a particular pattern or trend. Leading indicators are used to predict changes in the … Continue reading

Posted in Forecasting, Lower Troposphere Temperature, Temperature | Tagged , , | 165 Comments

A Displaced Polar Vortex and Its Causes

By WUWT Regular “Just The Facts” If you aren’t familiar with Stratospheric Polar Vortexes, you can get acquainted here, here and here. “A strong link exists between stratospheric variability and anomalous weather patterns at the earth’s surface. Specifically, during extreme … Continue reading

Posted in Cold wave, Polar Vortex, Sea ice, Vortex | Tagged , , , , | 99 Comments

When Did Global Warming Begin?

Image Credit: Marathon Nation – Soft Pixel By WUWT regular “Just The Facts” There have been a number of statements made recently about “Global Warming Deniers”, e.g. “White House: Global Warming Deniers Wrong to Reference Polar Vortex” US News, “Watch … Continue reading

Posted in Global warming, Temperature | 139 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

Antarctica Has Sea Ice Rabbit Ears, a V for Victory or Maybe It’s a Peace Sign?…

Image Credit: NSIDC WUWT Regular “Just The Facts” As you can see from the Southern Hemisphere Sea Ice Extent With Anomaly map above, there are currently two large fingers of anomalous Sea Ice protruding out in the Weddell Sea. This … Continue reading

Posted in Antarctic, Satire, Sea ice | Tagged , , , | 120 Comments

Introducing The New WUWT Northern Polar Vortex Page – With Explanation and Observations

By WUWT Regular “Just The Facts” We are pleased to introduce WUWT’s newest addition, the WUWT Northern Polar Vortex Reference Page. We would like to dedicate this page to NBC News and John Holdren, who both seem to need all … Continue reading

Posted in Climate News, Polar Vortex, Reference Pages | Tagged , | 67 Comments

A Sober Look At The Northern Polar Vortex

Image Credit NASA – Polar Vortex on Venus WUWT Regular “Just The Facts” Currently there is a lot of media hype about the Polar Vortex over North America, but little in the way of coherent explanation as to what a … Continue reading

Posted in Polar Vortex | Tagged , , | 142 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

Introducing The New Dana Nuccitelli Commemorative WUWT Tornado Reference Page

(Photo credits: NOAA) We are pleased to introduce WUWT’s newest addition, the WUWT Tornado Reference Page. We would like to dedicate this page to Dana Nuccitelli, of Skeptical Science infamy, who single-handedly managed to get Keith Kloor, Roger Pielke Jr., … Continue reading

Posted in Reference Pages, tornadoes | Tagged , , , | 52 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

US Tornado Count So Low That It’s Invaded The Legend…

Image Credit: NOAA – Storm Prediction Center By WUWT Regular Just The Facts US Tornadoes are currently on pace for a record low annual tornado count, which has penetrated deep into the legend in the graph above and is relevant … Continue reading

Posted in Al Gore, extreme weather, tornadoes | Tagged , , , , | 73 Comments