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clouds

Photo of a rain cloud.
Posted inEditors' Vox

The Complexity of Clouds, Circulation, and Climate

by Sylvia C. Sullivan and Corinna Hoose 21 December 202320 December 2023

A new book explores the significant influence of clouds on climate via radiation, circulation, and precipitation.

A drone shot of the Philippines’ Cordillera Central mountain range. The tops of the mountains are green with forest, but much of the land has been cleared and covered with buildings.
Posted inNews

Shallower Clouds Hang More Often over Lost Forests

by Kristel Tjandra 13 December 202317 January 2024

Two decades of satellite data show that deforestation in Southeast Asia has led to widespread low-lying clouds that might affect regional climate.

A large bolt of lightning strikes the ocean.
Posted inNews

Ocean Vessels May Trigger Lightning Strikes

by Nathaniel Scharping 11 December 202311 December 2023

Previous research indicated aerosols in ship exhaust could enhance lightning. New research indicates the ships themselves may be to blame as well.

A portion of a cream-colored planet covered with pale swirls and partially in shadow is shown against the blackness of space broken by pinpoints of light. A hazy atmosphere is visible around the planet.
Posted inNews

These Four Exoplanets Have Wild, Rocky Weather

by Elise Cutts 7 December 20237 December 2023

On many exoplanets, conditions are so exotic that minerals form clouds and fall as rain. Recent studies revealed the rocky weather on these four exoplanets in more detail than ever before.

Simulations of clouds.
Posted inEditors' Highlights

Cumulus Cloud Botany in Large Domains

by Tapio Schneider 6 November 20232 November 2023

A new study provides a sample of shallow cumulus clouds simulated in domains 150-kilometers wide, enabling investigations of their structure and organization.

A stylized illustration shows rain falling from a tall storm cloud over part of the ocean surface in the left of the image, and the sun shining on the right side of the image.
Posted inFeatures

Patterns of Surface Warming Matter for Climate Sensitivity

by Maria Rugenstein, Mark Zelinka, Kristopher B. Karnauskas, Paulo Ceppi and Timothy Andrews 31 October 202331 October 2023

Location, location, location. Surface temperature patterns play a fundamental role in Earth’s energy budget.

A satellite image of Earth’s surface shows gray material—airborne dust—fanning out over a landscape of snowy mountain peaks and vegetated lowlands.
Posted inNews

Protein Powder Makes Ice Crystals Flower

Katherine Kornei, Science Writer by Katherine Kornei 26 September 202326 September 2023

Dust from Alaska is particularly effective at forming ice crystals because it contains biological components, researchers believe. The finding has implications for cloud physics and our planet’s climate.

2 maps with colors to indication data.
Posted inEditors' Highlights

Observing the Impact of Convective Aggregation on Water Vapor

by Sarah Kang 21 September 202321 September 2023

Remote sensing measurements for water vapor isotopic composition enable us to assess how convective aggregation influences the atmospheric hydrological cycle.

Diagram from the paper.
Posted inEditors' Highlights

Simulating the Journey of Pollen in the Atmosphere

by Jiwen Fan 19 June 202314 June 2023

A new study couples an emission and transport scheme of pollen from vegetation, and explores pollen’s evolution in different atmospheric conditions and its impacts on clouds and precipitation.

A diagram from the paper.
Posted inEditors' Highlights

Simulating Clouds on Arbitrary Grids in Any Spatial Direction

by Jiwen Fan 14 June 202314 June 2023

A new non-column based spectral element implementation of cloud microphysics enables full 3D flexibility in computing clouds and improves computational efficiency.

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