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clouds

Three panels adapted from the paper that show moonlight imagery, a low cloud test, and a cloud mask.
Posted inEditors' Highlights

When Less is More—The Moon Sheds Light on Clouds at Night

by Jonathan H. Jiang 12 April 202226 April 2022

Shining light into the dark reveals the unseen, but in some cases, it changes our perception of reality. Through moonlight we learn how the environment tricks our ways of finding nocturnal clouds.

Two figures from the paper, showing the orbit path of Ice in the Mesosphere and graph showing the agreement of the daily PMC occurrence rates of the simultaneous observations from Himawari-8/AHI and AIM/Cloud Imaging and Particle Size data..
Posted inEditors' Highlights

New Technique Improves Polar Mesospheric Cloud Data Set

by Astrid Maute 7 April 20225 April 2022

A new two-step Polar Mesospheric Cloud detection technique is applied towards the Himawari-8/Advanced Himawari Imager full-disk images leading to a new high-quality dataset.

Las partículas de carbono negro se esparcen por toda nuestra atmósfera, producidas por la quema de combustible o procesos industriales.
Posted inResearch Spotlights

¿Cuánto tiempo permanecen las partículas de carbono negro en la atmósfera?

by Sarah Derouin 8 March 202222 March 2022

Investigadores descubren cómo el carbono negro evoluciona de partículas hidrofóbicas a sitios de nucleación de nubes, removiendo eventualmente las partículas que absorben calor del cielo.

Aerial photo of Manaus, Brazil
Posted inNews

Pollution Is Disrupting Rain Cycles in the Amazon

by Meghie Rodrigues 4 March 202229 April 2022

A team of researchers in Brazil and the United States uncovered the importance of the mechanism of oxidation—a process with the potential to affect climate and precipitation across the tropics.

Clouds near the Azores
Posted inResearch Spotlights

How Do Marine Gases Affect Cloud Formation?

by JoAnna Wendel 25 February 202225 February 2022

By using novel aircraft measurements over the eastern North Atlantic Ocean, researchers shed light on the relationship between common marine biogenic gases and the microphysical properties of clouds.

Figure 4 from the paper
Posted inEditors' Highlights

El Niño-Southern Oscillation and Radiation Two-Way Coupling

by Suzana Camargo 9 February 202215 March 2022

Changes in sea surface temperature during ENSO events and radiation are related, suggesting a two-way coupling between sea surface temperature and radiation in coupled climate variability.

Four plots showing overshooting top density within six times of the radius of maximum wind as a function of normalized radius for different typhoons going through rapid intensification by day and night separated in groups based on typhoon intensity.
Posted inEditors' Highlights

Clouds Overshooting Tops and Typhoon Intensity

by Suzana Camargo 17 December 202113 April 2022

An examination of the relationship between the diurnal variation of cloud overshooting tops density and typhoon intensity in 45 typhoons, using the Himawari-8 Satellite.

The layers of Jupiter’s atmosphere visible to Juno’s microwave radiometer
Posted inResearch Spotlights

A Transition Zone Below Jupiter’s Clouds

by Morgan Rehnberg 12 November 202127 January 2022

The microwave radiometer aboard NASA’s Juno spacecraft reveals the hidden atmospheric circulations at work deep below Jupiter’s colorful clouds.

Set of four maps showing condensed water path, frozen moist static energy anomaly, longwave heating anomaly, and shortwave heating anomaly from the 300 K sea surface temperature simulation at day 100.
Posted inEditors' Highlights

Importance of High Clouds and Moisture in Rainstorm Aggregation

by Jiwen Fan 21 October 202115 October 2021

A study of the impacts of radiative interactions with different cloud types on aggregation of rainstorms finds that interactions with high-clouds and water vapor are key.

A photograph of polar stratospheric clouds near Kiruna, Sweden.
Posted inEditors' Vox

New Insights into Polar Stratospheric Clouds

by Lamont R. Poole 18 October 202126 April 2022

New satellite observations of polar stratospheric clouds have advanced our understanding of how, when, and where they form, their composition, and their role in ozone depletion.

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