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The Version 6.0 global average lower tropospheric temperature (LT) anomaly for November, 2021 was +0.08 deg. C, down substantially from the October, 2021 value of +0.37 deg. C.

Last Halloween, Naomi Oreskes unsettled the climate community by suggesting the work of WG1 scientists is done, and that they should move on to other fields...

The Version 6.0 global average lower tropospheric temperature (LT) anomaly for October, 2021 was +0.37 deg. C, up from the September, 2021 value of +0.25 deg. C.

The global cooling impact of the current La Nina is being fully realized now in global tropospheric temperatures.

I argue that, based upon the importance of quality temperature trend calculations to national energy policy, a new dataset not dependent upon the USHCN Tmax/Tmin observations is required.

In only 1/2 hour I cover what I consider to be the most important science issues, the disinformation campaign that spreads climate hysteria, some of the harm that will be caused by forcing expensive and unreliable renewable...

The linear warming trend since January, 1979 remains at +0.14 C/decade (+0.12 C/decade over the global-averaged oceans, and +0.19 C/decade over global-averaged land).

From Dr. Roy Spencer’s Blog September 1st, 2020 by Roy W. Spencer, Ph. D. The Version 6.0 global average lower tropospheric temperature (LT) anomaly for August, 2020 was +0.43 deg. C, essentially unchanged from the...

The Version 6.0 global average lower tropospheric temperature (LT) anomaly for June, 2020 was +0.43 deg. C, down from the May, 2020 value of +0.54 deg. C.

Reposted from Dr. Roy Spencer’s Blog June 2nd, 2020 by Roy W. Spencer, Ph. D. The Version 6.0 global average lower tropospheric temperature (LT) anomaly for May, 2020 was +0.54 deg. C, up from the April, 2020 value...

Reposted from Dr. Roy Spencer’s Blog February 17th, 2020 by Roy W. Spencer, Ph. D. Langham Huntington Hotel in Pasadena, CA. Last week I was privileged to present an invited talk (PDF here) to the Winter Roundtable of the...

Reposted from Dr. Roy Spencer’s blog February 6th, 2020 by Roy W. Spencer, Ph. D. Well, as I suspected (and warned everyone) in my blog post yesterday, a portion of my calculations were in error regarding how much CO2 is...

Reposted from Dr. Roy Spencer’s site January 15th, 2020 by Roy W. Spencer, Ph. D. The increasing global ocean heat content (OHC) is often pointed to as the most quantitative way to monitor long-term changes in the global...

Reposted from Dr. Roy Spencer’s Blog January 1st, 2020 by Roy W. Spencer, Ph. D. Polar Stratospheric Cloud display (smartphone photo posted by Reddit user Breuuan on Dec. 31, 2019.) Increasing carbon dioxide in the atmosphere...

From Dr. Roy Spencer’s Blog October 4th, 2019 by Roy W. Spencer, Ph. D. While the vast majority of our monthly global temperature updates are pretty routine, September 2019 is proving to be a unique exception. The bottom...