Category Archives: Climate data

An analysis of night time cooling based on NCDC station record data

Guest post by Mike Crow Figure 1 Night time temperature profile of a clear sky night in NE Ohio. 8:28pm Sunset/6:16am Sunrise Climate science is all about surface temperature trends. The problem with this is that the CAGW is a … Continue reading

About these ads
Posted in Climate data | Tagged , , , | 105 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 , , , , | 97 Comments

A mean study of Australian temperature

Mean and reported “Mean” temperatures and the consequences of the difference Guest essay by Tom Quirk The convention in meteorology is to report mean temperatures as the average of minimum and maximum temperatures. This assumption has been tested using temperatures … Continue reading

Posted in Climate data | Tagged , , , , , , , | 62 Comments

UAH global temperature, down significantly

Dr. Roy Spencer reports: Our Version 5.5 global average lower tropospheric temperature (LT) anomaly for April, 2013 is +0.10 deg. C, down from +0.18 deg. C in March (click for large version): Not surprisingly, the cooling appears to be confined … Continue reading

Posted in Climate data | Tagged | 59 Comments

Periodic climate oscillations

Guest essay by: Horst-Joachim Lüdecke, EIKE, Jena, Germany Alexander Hempelmann, Hamburg Observatory, Hamburg, Germany Carl Otto Weiss, Physikalisch-Technische Bundesanstalt Braunschweig, Germany In a recent paper [1] we Fourier-analyzed central-european temperature records dating back to 1780. Contrary to expectations the Fourier … Continue reading

Posted in Climate data | Tagged , | 101 Comments

Model-Data Comparison with Trend Maps: CMIP5 (IPCC AR5) Models vs New GISS Land-Ocean Temperature Index

UPDATE: I’ve added graphs of the difference between the observations and the models at the end of the post, under the heading of DIFFERENCE. #### We’ve shown in numerous posts how poorly climate models simulate observed changes in temperature and … Continue reading

Posted in Climate data, Modeling | 69 Comments

Temperature models vs temperature reality in the lower troposphere

Global Warming Slowdown: The View from Space by Roy W. Spencer, Ph. D. Since the slowdown in surface warming over the last 15 years has been a popular topic recently, I thought I would show results for the lower tropospheric … Continue reading

Posted in Climate data | 60 Comments

On the scales of warming worry magnitudes– Part 2

Should We Worry About the Earth’s Calculated Warming at 0.7C Over Last the Last 100 Years When the Observed Daily Variations Over the Last 161 Years Can Be as High as 24C? Guest post by Dr. Darko Butina In Part … Continue reading

Posted in Climate data | 103 Comments

Revisiting Temperature Reconstructions used in Climate Change Modeling

Guest post by Neil Catto When considering historical temperature reconstruction there are three areas which need further examination; historical instrument readings and adjustments for UHI, tree-ring proxies, other paleoclimate proxies and ice-core proxies. To predict the future of climate it … Continue reading

Posted in Climate data, Proxies | 25 Comments

NCDC omits inconvenient data in public climate releases?

The NCDC Goes Ahistorical Guest post by Ken Meyercord On March 19th last I sent the following email to Derek Arndt, Chief of the Climate Monitoring Branch at the NCDC: “I noticed that on the National Climatic Data Center website … Continue reading

Posted in Climate data, NCDC, NOAA | 33 Comments

On the scales of warming worry magnitudes–part 1

A few weeks after my paper came out I have received quite unexpected but greatly appreciated offer from Anthony to write a summary of the paper for his blog site. The paper’s title is: Should We Worry About the Earth’s … Continue reading

Posted in Climate data | Tagged , , , , , , , | 115 Comments

A Big Picture Look At “Earth’s Temperature” – “The Pause” Update

Image Credit: NASA and BP.Blogspot.com By WUWT regular “Just The Facts” Recently there has been significant attention focused on “The Pause” in Earth’s warming, the length of “The Pause” and where “Earth’s Temperature” may go from here, e.g.: “Over the … Continue reading

Posted in Climate data, Earth, measurement, 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

UAH Global Temperature Report: March 2013 – temperature unchanged from February 2013

Global climate trend since Nov. 16, 1978: +0.14 C per decade March temperatures (preliminary) Global composite temp.: +0.18 C (about 0.32 degrees Fahrenheit) above 30-year average for March.

Posted in Climate data | Tagged | 96 Comments

The Pitfalls of Data Smoothing

Guest Post by Willis Eschenbach Since we’ve been discussing smoothing in datasets, I thought I’d repost something that Steve McIntyre had graciously allowed me to post on his amazing blog ClimateAudit back in 2008. Let me start by saying that when … Continue reading

Posted in Climate data | Tagged , , , , , | 125 Comments

Inverse hockey stick in the lower troposphere – real or not?

Bishop Hill via correspondent Gras Albert noted this event early today: I looked through the entire satellite record, and couldn’t find any similar event. That meant it was either unique, or indicative of a technology failure like we witnessed with … Continue reading

Posted in Climate data, Space, Technology | Tagged , , , , | 56 Comments

NASA satellite data shows a decline in water vapor

Guest post submitted by Ken Gregory, Friends of Science.org An analysis of NASA satellite data shows that water vapor, the most important greenhouse gas, has declined in the upper atmosphere causing a cooling effect that is 16 times greater than … Continue reading

Posted in Climate data | Tagged , , , , , , , | 188 Comments

‘Ground Zero for Global Warming’? State of Alaska temperatures in 2012 refused to cooperate

People send me stuff. While some claims have been made that “Alaska is Ground Zero for Global Warming” it turns out that the state of Alaska was significantly below normal in 2012. For example, Fairbanks had the coldest year in … Continue reading

Posted in Climate data, Global warming | Tagged , , | 48 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

Big drop in global surface temperature in February, ocean temps flat

UAH Global Temperature Update for February, 2013: +0.18 deg. C By Dr. Roy Spencer Our Version 5.5 global average lower tropospheric temperature (LT) anomaly for February, 2013 is +0.18 deg. C, a large decrease from January’s +0.50 deg. C. (click … Continue reading

Posted in Climate data, Sea Surface Temperature | 71 Comments