A shift in the tropopause jet may have triggered the unusual number of high-altitude clouds that briefly appeared in the early summer of 2019.
Clouds and cloud feedbacks
Building a Better Model to View Earth’s Interacting Processes
Researchers collaborated to produce and evaluate a new version of the Community Earth System Model, and they are documenting their work in the AGU CESM2 virtual special issue.
Ice Age Testing Reveals Challenges in Climate Model Sensitivity
Increased reflection of incoming sunlight by clouds led one current-generation climate model to predict unrealistically cold temperatures during the last ice age.
New Insights into Uncertainties About Earth’s Rising Temperature
A comparison of climate models finds that much of the variation in their predictions of global warming arises from differences in how they simulate the response of convective processes to warming.
A Global View of Shapes and Sizes of Ice Crystals in Cloud Tops
Ice particles have systematic covariations and temperature dependences that are surprisingly consistent with a simple ice growth theory as revealed by satellites.
Pushing the Computational Limits of Climate Simulation
Researchers apply a superparameterization technique to boost the accuracy and efficiency of climate predictions generated by the Energy Exascale Earth System Model.
A “Super” Solution for Modeling Clouds
Climate models struggle to accurately portray clouds because the models cannot resolve the scales at which clouds form. A new study demonstrates a potential fix for the problem.
A Better Way to Measure Cloud Composition
An enhanced satellite remote sensing suite accurately measures ice particles, temperature, and water vapor.
Improving Estimates of Long-Term Climate Sensitivity
New modeling casts doubt on the suitability of running experiments with fixed sea surface temperatures to understand the effects of cloud aggregation on Earth’s climate.
Finding Sources of Uncertainty in the Spatial Pattern of Warming
The planet is heating up, but uncertainty still exists about how temperatures will change in specific regions. A new study examines sources of uncertainty in the meridional pattern of warming.
