Site: Roy Spencer

Slant: Sceptic

Active: yes


This is the website of Roy Spencer. Roy W. Spencer received his Ph.D. in meteorology at the University of Wisconsin-Madison in 1981. Before becoming a Principal Research Scientist at the University of Alabama in Huntsville in 2001, he was a Senior Scientist for Climate Studies at NASA’s Marshall Space Flight Center, where he and Dr. John Christy received NASA’s Exceptional Scientific Achievement Medal for their global temperature monitoring work with satellites. Dr. Spencer’s work with NASA continues as the U.S. Science Team leader for the Advanced Microwave Scanning Radiometer flying on NASA’s Aqua satellite. He has provided congressional testimony several times on the subject of global warming.

Recent Articles

Roy Spencer: Media Reports of +40% Adjustment in Ocean Warming Were Greatly Exaggerated

Summary: The recently reported upward adjustment in the 1971-2010 Ocean Heat Content (OHC) increase compared to the last official estimate from the IPCC is actually 11%, not 40%. The 40% increase turns out to be relative to the average of various OHC estimates the IPCC addressed in their 2013 report, most of which were rejected. […]

2019-01-16 16:41   Click to comment

Roy Spencer: Chuck Todd Devotes an Hour to Attacking a Strawman

or, All Credentialed Journalists are Sex Abusers Chuck Todd, on a recent episode of Meet the Press, highlighted the issue of global warming and climate change. He unapologetically made it clear that he wasn’t interested in hearing from people on the opposing side of the scientific issue, stating: “We’re not going to debate climate change, […]

2019-01-03 15:18   Click to comment

Roy Spencer: UAH Global Temperature Update for December 2018: +0.25 deg. C

2018 was 6th Warmest Year Globally of Last 40 Years The Version 6.0 global average lower tropospheric temperature (LT) anomaly for December, 2018 was +0.25 deg. C, down a little from +0.28 deg. C in November: Various regional LT departures from the 30-year (1981-2010) average for the last 24 months are: YEAR MO GLOBE NHEM. […]

2019-01-02 13:50   Click to comment

Roy Spencer: Government Shutdown Delays UAH Global Temperature Update

The NOAA CLASS system we obtain our satellite orbit files (raw data) from has been taken offline until the government shutdown ends. As a result, our UAH monthly global temperature update is delayed. UPDATE: We have a separate data feed and so I’ll be able to post results tomorrow, Jan. 2.

2019-01-01 12:29   Click to comment

Roy Spencer: Giving Credit to Willis Eschenbach

The non-greenhouse theory of Nikolov (and now Zeller-Nikolov) continues to live on, most recently in this article I’ve been asked about on social media. In short, it is the theory that there really isn’t a so-called “greenhouse effect”, and that the excess planetary surface temperatures on Earth, Venus, and other planets above the Stefan-Boltzmann (SB) […]

2018-12-31 14:08   Click to comment

Roy Spencer: 2018 6th Warmest Year Globally of Last 40

Even before our December numbers are in, we can now say that 2018 will be the 6th warmest year in the UAH satellite measurements of global-average lower atmospheric temperatures, at +0.23 deg. C (+0.41 deg. F) above the thirty-year (1981-2010) average. The following plot ranks all of the years from warmest to coolest, with the […]

2018-12-20 18:03   Click to comment

Roy Spencer: The Five Questions Global Warming Policy Must Answer

It is no secret that I doubt increasing CO2 in the atmosphere will have enough negative effects on the global environment to warrant the extreme cost to humanity of substantially reducing those effects. Note that this statement has both science and energy policy components. In fact, with “global greening” we should consider the possibility of […]

2018-12-18 15:49   Click to comment

Roy Spencer: Allstate Should Pull this Ad and Apologize for Misleading the Public

I’ve been meaning to comment about this TV ad for Allstate insurance, which enraged me the first time I saw it. Allstate knows better (the insurance business deals with probability and statistics) and they knew this was a lie when they put the ad together: In the ad, actor Dennis Haysbert says: “A once-in-500-year storm […]

2018-12-17 15:30   Click to comment

Roy Spencer: Can Space.com Teach Us Anything Useful about Climate?

I saw a Space.com article today entitled, Can Venus teach us to take climate change seriously? While Space.com writers should know quite a bit about the other planets, the article was a fount of misinformation and gross exaggeration. The obvious purpose of the article was scare us into taking increasing carbon dioxide levels seriously, following […]

2018-12-03 15:01   Click to comment

Roy Spencer: UAH Global Temperature Update for November, 2018: +0.28 deg. C

The Version 6.0 global average lower tropospheric temperature (LT) anomaly for November, 2018 was +0.28 deg. C, up a little from +0.22 deg. C in October: Various regional LT departures from the 30-year (1981-2010) average for the last 23 months are: YEAR MO GLOBE NHEM. SHEM. TROPIC USA48 ARCTIC AUST 2017 01 +0.33 +0.32 +0.34 […]

2018-12-03 13:54   Click to comment

Roy Spencer: The Sorry State of Climate Science Peer Review, and Kudos to Nic Lewis

For decades now those of us trying to publish papers which depart from the climate doom-and-gloom narrative have noticed a trend toward both biased and sloppy peer review of research submitted for publication in scientific journals. Part of the problem is the increased specialization of climate science (and other sciences in general), so that there […]

2018-11-14 15:16   Click to comment

Roy Spencer: UAH Global Temperature Update for October, 2018: +0.22 deg. C

The Version 6.0 global average lower tropospheric temperature (LT) anomaly for October, 2018 was +0.22 deg. C, up a little from +0.14 deg. C in September: Various regional LT departures from the 30-year (1981-2010) average for the last 22 months are: YEAR MO GLOBE NHEM. SHEM. TROPIC USA48 ARCTIC AUST 2017 01 +0.33 +0.32 +0.34 […]

2018-11-02 14:24   Click to comment

Roy Spencer: Florida Major Hurricane Strikes: Still No Trend

Note: The first plot had Michael’s wind speed plotted incorrectly, which has been fixed. I’ve updated a plot of Florida major hurricane strikes since 1900 with Hurricane Michael, and the result is that there is still no trend in either intensity or frequency of strikes over the last 118 years: This is based upon National […]

2018-10-11 17:32   Click to comment

Roy Spencer: New Record Low Tornado Count as of October 3

NOAA’s Storm Prediction Center keeps a daily count of cumulative number of tornadoes in the U.S. each year, and recent years have had an unusually low number of tornadoes. As of October 3, the cumulative total for 2018 is 759; the previous lowest number of tornadoes for this date was 761. The SPC has records […]

2018-10-04 18:00   Click to comment

Roy Spencer: UAH Global Temperature Update for September, 2018: +0.14 deg. C

Globally, the coolest September in the last 10 years. The Version 6.0 global average lower tropospheric temperature (LT) anomaly for September, 2018 was +0.14 deg. C, down a little from +0.19 deg. C in August: This was the coolest September in the last 10 years in the global average. Some regional LT departures from the […]

2018-10-02 14:31   Click to comment

Roy Spencer: My Tucker Carlson Interview Last Night, and Calling Out Bill Nye & James Hansen

It didn’t last long, but I was interviewed in one segment on Tucker Carlson’s show of Fox News Channel last evening: Watch the latest video at foxnews.com The subject was Hurricane Florence and whether it could be blamed on President Trump (specifically) or humanity (more generally). You really can’t say much in only a couple […]

2018-09-15 15:26   Click to comment

Roy Spencer: U.S. Major Landfalling Hurricanes Down 50% Since the 1930s

While the wind, storm surge, and freshwater flooding from Category 1 Hurricane Florence will no doubt cause massive damage, we should remember that – historically speaking – major landfalling hurricanes were more frequent in past decades. Contrary to popular perception, the number of major hurricanes making landfall in the U.S. has dropped by an average […]

2018-09-14 13:03   Click to comment

Roy Spencer: The 30 Costliest U.S. Hurricanes Have Not Increased in Intensity Over Time

As part of the 2nd edition of my Kindle e-book Inevitable Disaster: Why Hurricanes Can’t Be Blamed On Global Warming (which should go live tonight), I include the following graph, based upon data in a January 2018 U.S. Government report. In the top panel we see that the average monetary damages of the 30 most […]

2018-09-12 14:57   Click to comment

Roy Spencer: My new Kindle book: Global Warming Skepticism for Busy People

I sometimes get asked for a concise and accessible summary of my skeptical views on global warming. After a year or more of thinking and writing, my new Kindle book Global Warming Skepticism for Busy People is meant to fill that need. As a bonus, I guarantee it will be easier to understand than Neil […]

2018-09-12 14:25   Click to comment

Roy Spencer: Hurricane Florence: Nature’s Business as Usual, Not Climate Change

A potential new poster child for global warming ignores the lack of trend in major hurricane landfalls in the Carolinas. Although it is still 3-4 days away, rapidly strengthening Hurricane Florence is increasing the threat of a major hurricane landfall somewhere within 120 miles or so of Wilmington, NC. If it reaches that area as […]

2018-09-10 14:20   Click to comment

Roy Spencer: East Coast Nervous About Major Hurricane Florence

We are now at the climatological peak of the Atlantic hurricane season, and Mother Nature is revving into high gear. We could have up to three hurricanes in the Atlantic in the coming days, as strong easterly waves continue to emerge from the west coast of Africa: Florence is of the most immediate concern. While […]

2018-09-07 16:35   Click to comment

Roy Spencer: UAH Global Temperature Update for August 2018: +0.19 deg. C

The Version 6.0 global average lower tropospheric temperature (LT) anomaly for August, 2018 was +0.19 deg. C, down from the July value of +0.32 deg. C: Some regional LT departures from the 30-year (1981-2010) average for the last 20 months are: YEAR MO GLOBE NHEM. SHEM. TROPIC USA48 ARCTIC AUST 2017 01 +0.33 +0.32 +0.34 […]

2018-09-01 14:46   Click to comment

Roy Spencer: Green Energy Scam #167: Traffic-Driven Wind Turbines

A YouTube video making the rounds on social media (with over 27 million views!) describes a system of small wind turbines placed in the median between two lanes of traffic. The wind generated by the traffic spins the turbine blades and generates (a very small amount of) electricity: The question is, does such a system […]

2018-08-21 16:21   Click to comment

Roy Spencer: Perseid meteor shower peaks tonight

Update: The NASA Fireball Network, monitoring only a few U.S. locations, logged 56 Perseid fireballs last night. The best meteor shower of the year — the Perseids — peaks tonight. In preparation for a planned outing to a dark sky site, I ran my camera from our roof last night for 8 hours. Despite significant

2018-08-12 14:53   Click to comment

Roy Spencer: Make Agriculture Great Again: Record corn yield and soybean production predicted for 2018

Today the USDA released its forecast for corn and soybean yields and production for the 2018 growing season. It is expected that corn yields (bushels per acre) in the U.S. will experience their third consecutive record year, with an average of 178.4 bu/ac: The last time there were three consecutive record high yield years was

2018-08-10 17:35   Click to comment

Roy Spencer: Fake Climate News from Reuters

Will Google down-rank Reuters for spreading fake climate news? I spoke at Heartland’s America First Energy Conference, held in New Orleans on Tuesday, August 7, 2018. A young Reuters reporter was there, who asked me before I spoke to tell him what I was going to say. I simply replied, why don’t you come and

2018-08-10 15:59   Click to comment

Roy Spencer: UAH Global Temperature Update for July, 2018: +0.32 deg. C

The Version 6.0 global average lower tropospheric temperature (LT) anomaly for July, 2018 was +0.32 deg. C, up from the June value of +0.21 deg. C: Some regional LT departures from the 30-year (1981-2010) average for the last 19 months are: YEAR MO GLOBE NHEM. SHEM. TROPIC USA48 ARCTIC AUST 2017 01 +0.33 +0.31 +0.34

2018-08-01 12:21   Click to comment

Roy Spencer: Sexy “Miss Climate” Competition to Combat Climate Change Apathy

I’m not making this up. The president of our university forwarded some flashy brochures he received from Virendra Rawat, Indian founder and director of the global “Green Schools” concept. They are auditioning for young females to compete to become “Miss Climate – 2018”. As the letter states, “winners of this beauty pageant will serve as

2018-07-27 15:00   Click to comment

Roy Spencer: “End of days” black sky in Siberia due to “perfect storm” of smoke and clouds

The UK tabloid newspaper The Sun is known for carrying National Enquirer-style sensationalist news, such as UFOs seen from the Space Station (usually window reflections). A recent story entitled END OF DAYS Mystery as sky turns black in the middle of DAY in remote Russian towns with locals blaming secret weapons test, aliens or the

2018-07-25 14:34   Click to comment

Roy Spencer: The “Temperature Circle” Deception

About a year ago, Finnish climate researcher Antti Lipponen posted a new way to visualize global warming, an animation he called the “temperature circle”. It displays the GISS land temperature data as colored bars for each country in the world radiating from a circle. As the temperature in a country goes up, the colored bar

2018-07-24 13:20   Click to comment


comments powered by Disqus
177