The Length of Day correlates with meridional circulation and global warming and cooling.
Author: Andy May
Petrophysicist, details available here: https://andymaypetrophysicist.com/about/
Climate Oscillations 3: Northern Hemisphere Sea Ice Area
Can we model Northern Hemispheric sea ice or the Northern climate oscillations? Not likely.
Climate Oscillations 2: The Western Hemisphere Warm Pool (WHWP)
By Andy May As seen in the first post of this series the AMO (Atlantic Multidecadal Oscillation) and the WHWP (Western Hemisphere Warm Pool) area are the two climate oscillations…
Climate Oscillations 1: The Regression
By Andy May Introduction to the “Climate Oscillations” series My last two posts, Musings on the AMO and The Bray Solar Cycle and AMO were fun to research and write,…
The Bray Solar Cycle and AMO
By Andy May My last post on the AMO and HadCRUT5 generated some interest and some criticism. As I explained, there are two common methods of computing the AMO index.…
Musings on the AMO
Does the Atlantic Multidecadal Oscillation (AMO) play a role in global warming? Or does global warming affect the AMO? We take a look.
Energy Consumption in 2024 and the Spanish Power Failure
What does the April 2025 Spanish power failure tell us about how we compare solar and wind to stable fossil fuel and nuclear power generation? By Andy May Global energy…
The Weather and Climate of World War II
By Andy May This post has been translated into German for those who prefer it here. In my last post I discussed the evolution from the ICOADS raw sea surface…
What is the Global Average SST?
By Andy May The global average SST (Sea Surface Temperature) is a very important component of the global average surface temperature for the simple reason that the global ocean covers…
Plate Tectonics and Climate during the Cenozoic
By Andy May In this post I examine the proxies used to compare CO2 to temperature from 66 million years ago (Ma) until today and comment on the quality of…
The Earth without Greenhouse Gases
By Andy May The overall greenhouse effect (GHE) is often defined as the difference between Earth’s average global temperature without greenhouse gases (GHGs) and with them. Greenhouse gases are all…
Beyond CO₂: Unraveling the Roles of Energy, Water Vapor, and Convection in Earth’s Atmosphere
Watts Up With That? is committed to fostering open discourse on climate science and related topics. While we respect the authors’ perspective and their dedication to exploring climate dynamics, we…
The errors and misstatements in “Climate Denialism”
By Andy May The featured image is by Josh, used with permission. There are 20 clearly false statements and three additional problematic statements in Tinus Pulles’ “Climate Denialism.” Most of…
The AJES Response to May & Crok
By Andy May The featured image is figure 2 from May & Crok. This post is mostly a list of errors and misinformation in the AJES (The American Journal of…
Drought in the Southwestern U.S.
By Andy May The featured image is a photograph of the Big Bend area in Texas in October 2015 when the drought index was moderately moist. The photo was taken…
Climate Models, Clouds, OLR, and ECS
By Andy May The IPCC and the climate “consensus” believe that essentially all warming since 1750 is due to man’s emissions of CO2 and other greenhouse gases as shown in…
Comment on Cobb, 2024
By Andy May The featured image for this post is from Angela Wheeler at the CO2 Coalition, used with permission. This post is a comment on Cobb, 2024, the paper…
Climate Change over the past 4000 Years
By Andy May I last wrote about Climate Change and Civilization for the past 4,000 Years in 2016. Since then, a lot has changed, and I’ve learned a lot more…
Natural Climate Change Factors
By Andy May “Consensus” scientists do not believe that solar variability, internal climate variability (in this model simplified to the ~67-year stadium wave), or volcanism influence net global warming or…
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