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Cloud physics and chemistry

Global map showing average ice asymmetry from remote sensing data
Posted inEditors' Highlights

A Global View of Shapes and Sizes of Ice Crystals in Cloud Tops

by Z. Li 9 July 202027 June 2020

Ice particles have systematic covariations and temperature dependences that are surprisingly consistent with a simple ice growth theory as revealed by satellites.

Low angle of a snowy field with trees and tiny snowballs
Posted inNews

Researchers Quantify a Seeded Snowpack

by Sarah Derouin 11 March 2020

In Idaho, three hour-long cloud-seeding events created the snow equivalent of about 282 Olympic-sized swimming pools’ worth of water.

Model of cloud development, charge evolution, and cloud-to-ground lightning initiation in Hokuriku winter clouds
Posted inEditors' Highlights

Microphysics and Positive Lightning in Hokuriku Winter Clouds

by Minghua Zhang 27 December 2019

The microphysics of the frequent, and frequently positive, lightning of Hokuriku winter clouds was investigated by systematic, in situ observation of individual precipitation particle type and charge.

Posted inEditors' Highlights

New Observations of Thunderstorm Updrafts and Downdrafts

by Minghua Zhang 30 April 201929 April 2019

Unique measurements of air motion within deep convective clouds offer new insights in our understanding of these storms and provide constraints for weather and climate prediction.

Asperitas clouds over Burnie, Tasmania.
Posted inNews

Science Explains “Rough and Chaotic” Cloud Feature

by Katherine Kornei 6 June 201713 June 2017

Research on the newest entry in the International Cloud Atlas produces insights into what these cloud features are made of and how they form.

A view of New York State’s Adirondack Park from a visitor’s center on Whiteface Mountain.
Posted inScience Updates

Designing Mountaintop Cloud Experiments

by A. Carlton, M. Barth and S. Lance 12 May 201728 September 2021

Whiteface Mountain Cloud Chemistry Workshop; Wilmington, New York, 16–17 September 2016

Frozen and snow-covered meltwater ponds appear more frequently on the diminishing Arctic sea ice.
Posted inScience Updates

Understanding Causes and Effects of Rapid Warming in the Arctic

by M. Wendisch, M. Brückner, J. P. Burrows, S. Crewell, K. Dethloff, K. Ebell, C. Lüpkes, A. Macke, J. Notholt, J. Quaas, A. Rinke and I. Tegen 17 January 20176 July 2017

A new German research consortium is investigating why near-surface air temperatures in the Arctic are rising more quickly than in the rest of the world.

A wave of mixed-phase clouds composed of ice and supercooled liquid water brushes the peaks of Jungfraujoch in the Swiss Alps.
Posted inNews

Icy Clouds May Counter Climate Warming Less Than Expected

by E. Deatrick 13 April 201610 May 2016

A new analysis of cloud composition and behavior suggests that scientists have overestimated the ability of a type of mixed-phase ice-and-water cloud to mitigate climate change effects.

Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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