The Ozone Hole and Lower Stratospheric Temperature

Should the Montreal Protocol be terminated?

Sun, Temperatures, and Models

Guest Post by Willis Eschenbach PART THE FIRST – REAL WORLD Well, my monkey mind started thinking about the relationship between how much sunshine is absorbed at the surface and…

Ice Cores, Temperatures, And CO2

Guest Post by Willis Eschenbach I got to thinking about the ice cores. It’s pretty amazing to realize that the air trapped in the tiny bubbles in the ice is…

Sunshine and Temperature in Holland

Guest Post by Willis Eschenbach Well, the endless curiosity of my monkey-mind led me to some interesting datasets over at KNMI. They’re a variety of meteorological measurements made in Holland…

Response to Willis Eschenbach’s WUWT Post “How The El Nino Is Changing”

El Niño and La Niña events act together as a chaotic, naturally occurring, sunlight-fueled, recharge-discharge oscillator, with El Niño events acting as the discharge phase and La Niña events acting…

Temperatures and Yields

Guest Post by Willis Eschenbach I keep reading that increasing temperatures will cause decreasing yields of our food crops, resulting in widespread hunger … for example, the IPCC says: Declines…

The Temperature of the Whole and the Parts

Guest Post by Willis Eschenbach I’ve been pointing out for some time that the current warming of the globe started about the year 1700, as shown in the following graph…

Thunderstorm World: A Model to Explore Ideas from Willis Eschenbach

I’ve been thinking about some ideas that WUWT contributor Willis Eschenbach (WE) has proposed. In particular, WE has suggested that tropical cumulus clouds and thunderstorms provide a “thermostatic mechanism” that…

A Greenhouse Gas Planetary Temperature Formula to Put Nikolov and Zeller’s Pressure Formula in Context

So, in terms of corresponding to underlying physics, I expect my formula is basically nonsense. But, it has at least as much correspondence to the underlying physics as is the…

Millennial CO2 And Temperature

Guest Post by Willis Eschenbach My mind runs to curious corners of the climate question. I got to thinking about how little the atmospheric CO2 level has changed over most…

Study: Global Warming is Raising the Tropical Wet Bulb Maximum Temperature

According to a study, for every degree of warming, peak wet bulb temperature in the tropics also rises by a degree, so even a small amount of warming is a…

A 2021 Index to Willis’s Posts

Guest Post by Willis Eschenbach It’s February 3rd, 2021. I hadn’t updated my index since 2018, so I decided to do so. Not an easy task, but I beat it…

The Calamity of Models – Podcast with Willis Eschenbach

Computer models are sometimes useful, and often wrong. In the case of climate and Coronavirus predictions, “wrong” doesn’t even begin to describe it.

Fun With Lunar Temperatures

Guest Post by Willis Eschenbach A while ago, I wrote a post called “The Moon Is A Cold Mistress”. In that post I discussed how the average temperature is not…

A Surfeit Of Temperatures

Guest Post by Willis Eschenbach My last two posts, one on Gavin’s claims and the other on the Urban Heat Island (UHI) effect, have gotten me to thinking about the…

New 80-Year Deep-Ocean Temperature Dataset Compared to a 1D Climate Model

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…

Propagation of Error and the Reliability of Global Air Temperature Projections, Mark II.

Guest post by Pat Frank Readers of Watts Up With That will know from Mark I that for six years I have been trying to publish a manuscript with the…

A Third Look at Radiation versus Temperature

Guest post by KEVIN KILTY Introduction In a post on June 8, 2019, Willis Eschenbach showed an interesting plot of monthly average surface temperature against total irradiance absorbed at the…

A Second Look At Radiation Versus Temperature

Guest Post by Willis Eschenbach [See Update at end] I kept going back and looking at the graphic from my previous post on radiation and temperature. It kept niggling at…

Radiation versus Temperature

Guest Post by Willis Eschenbach [SEE UPDATE AT THE END] Due to the recent posts by Lord Monkton and Nick Stokes, I’ve been thinking about the relationship between radiation and…

Latest Global Temp. Anomaly (May ’19: +0.32°C) A Simple “No Greenhouse Effect” Model of Day/Night Temperatures at Different Latitudes

Reposted from Dr. Roy Spencer’s blog June 7th, 2019 by Roy W. Spencer, Ph. D. Abstract: A simple time-dependent model of Earth surface temperatures over the 24 hr day/night cycle…

Willis’ Favorite Airport

By Steven Mosher, AC Osborn made an interesting comment about airports that will give me an opportunity to do two things: Pay tribute to Willis for inspiring me and give…

Greenland Near-Surface Land Air Temperature Data from Berkeley Earth Present Some Surprises

I enjoy surprises in data, especially when they might make alarmists unhappy. Willis Eschenbach’s post Greenland Is Way Cool at WattsUpWithThat prompted me to take a look at the Berkeley…

Giving Credit to Willis Eschenbach for setting the Nikolov-Zeller silliness straight

Note: I normally don’t publish anything related to the ideas of Nikolov and Zeller, for three reasons: 1) It’s just wrong, 2) It invariably descends into a shouting match. 3)…