Estimating Cloud Feedback Using CERES Data

.Guest Post by Willis Eschenbach As usual, Dr. Judith Curry’s Week In Review – Science Edition contains interesting studies. I took a look at one entitled “Cloud feedback mechanisms and their representation in global climate models“, by Ceppi et al., hereinafter Ceppi2017. The paper looks at the changes in the radiative effects of clouds. From…

Cloud Feedback

Guest Post by Willis Eschenbach In the comments to Christopher Monckton’s latest post, Nick Stokes drew attention to Soden and Held’s analysis of feedback in the climate models. I reproduce their Table 1 below: Figure 1. Soden and Held’s Table 1, showing all of the feedback parameters calculated from the models. I found several amazing things in…

Cloud Feedback

Guest essay by Stan Robertson In a recent post entitled “Changes in Total Solar Irradiance” (http://wattsupwiththat.com/2014/10/25/changes-in-total-solar-irradiance/ ), Willis Eschenbach showed a plot of the solar irradiance that impinges at the top of the earth’s atmosphere. I have borrowed that from his post and repeat it here for convenience: Fig. 1 Variations of TSI Willis asked…

Estimating Cloud Feedback From Observations

Guest Post by Willis Eschenbach I had an idea a couple days ago about how to estimate cloud feedback from observations, and it appears to have panned out well. You tell me. Figure 1. Month-to-month change in 5° gridcell actual temperature ∆T, versus gridcell change in net cloud forcing ∆F. Curved green lines are for…

Claim: climate feedback is low due to clouds "impeding global warming"

From DOE/LAWRENCE LIVERMORE NATIONAL LABORATORY Clouds are impeding global warming… for now Lawrence Livermore National Laboratory researchers have identified a mechanism that causes low clouds – and their influence on Earth’s energy balance – to respond differently to global warming depending on their spatial pattern. The results imply that studies relying solely on recent observed…