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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
Posted in Climate data
Tagged Climatology, National Climatic Data Center, NCDC, Temperature record
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 CRU, CRUTEMP, HadCRUT, Hadley, Met Office
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 Alice Springs, Australia, Bureau of Meteorology, Cairns, Canberra, Fahrenheit, temperature, Thermometer
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
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
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 Anders Celsius, Anthony, Armagh Observatory, Celsius, Earth, NASA, temperature, Thermometer
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 big picture, data, Earth, earth's temperature, temperature, the pause
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 GISS, Global warming, HadCRUT, satellite temperature dataset, stalled, temperature, Trend, UAH, Werner Brozek
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.
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 ClimateAudit, data smoothing, John Daly, smoothing, spurious correlation, Steve McIntyre
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 Advanced Microwave Sounding Unit, AMSU, Aqua, satellite, temperature
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 Carbon dioxide, Global warming, greenhouse gas, Ken Gregory, NASA, OLR, Outgoing longwave radiation, Water vapor
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
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
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
