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weather

A simulated image of clouds over the Pacific Ocean and the Americas.
Posted inResearch Spotlights

Modeling Earth Systems at a Quintillion Calculations per Second

by Rebecca Owen 6 August 20246 August 2024

I SCREAM, you SCREAM, we all SCREAM for faster climate modeling.

Aurora australis (aurora over the Southern Hemisphere) seen from space
Posted inResearch Spotlights

Space Hurricanes Swirl in the Southern Hemisphere, Mostly in Summer

by Rebecca Dzombak 31 July 202428 August 2024

Previous studies of the recently discovered space weather feature focused on the Northern Hemisphere. Dozens hit the Southern Hemisphere each year, new research shows.

Figure showing simulation from the study.
Posted inEditors' Highlights

Equation Discovery for Subgrid-Scale Closures

by Tapio Schneider 24 July 202424 July 2024

Machine learning can discover closure equations for fluid simulations. A new study finds that common algorithms rediscover known, unstable closures, which can be stabilized with higher-order terms.

Figure from the study showing a map and globe.
Posted inEditors' Highlights

Ocean Impacts on European Winter Weather

by Hannah Christensen 16 July 202416 July 2024

State-of-the-art high-resolution models are needed to reveal the ocean’s role in driving extra-tropical weather systems.

Satellite photo of the Great Salt Lake
Posted inNews

The Size of the Great Salt Lake Affects Storm Precipitation

Katherine Kornei, Science Writer by Katherine Kornei 16 July 202416 July 2024

Utah’s most famous body of water is shrinking, and storms might deliver less precipitation than normal if that trend continues.

Figure showing weather forecasts.
Posted inEditors' Highlights

Machine Learning Masters Weather Prediction

by Hannah Christensen 10 July 20241 July 2024

Community datasets and evaluation standards are needed to further advance machine learning for weather prediction.

Floating ice is seen in the foreground, and an ominous storm cloud lies over a distant mountain range.
Posted inNews

Rain Comes to the Arctic, With a Cascade of Troubling Changes

by Ed Struzik 14 May 202414 May 2024

Rain used to be rare in the Arctic, but as the region warms, so-called rain-on-snow events are becoming more common. The rains accelerate ice loss, trigger flooding, landslides, and avalanches, and create problems for wildlife and the Indigenous people who depend on them.

Images of the first trench dug by the Mars Phoenix mission and 3 graphs.
Posted inEditors' Highlights

Towards a Unified Framework for Earth, Mars, Titan, and Exoplanets

by Germán Martinez 18 April 202417 April 2024

From a simple set of in situ or synthetic data, a general unified model has been developed to calculate turbulent fluxes and evaporation rates on any rocky body with an atmosphere.

Photo of a lightning strike.
Posted inEditors' Highlights

Phased-Array Radar Detection of Electrically Aligned Ice Crystals

by Xiushu Qie 17 April 202412 April 2024

A new method for observing electrically aligned ice crystals in localized storms can detect the onset of electrification and lightning in developing storms.

An orange-red planet on a starry background with concentric rings of light on its right-facing horizon
Posted inNews

Rare “Glory” Possibly Seen on Exoplanet’s Horizon

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 8 April 20248 April 2024

This rainbow-like atmospheric phenomenon depends on a very specific set of circumstances. It is common on Earth and incredibly rare beyond it.

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Features from AGU Publications

Research Spotlights

A Solar Wind Squeeze May Have Strengthened Jovian Aurorae

1 August 20251 August 2025
Editors' Highlights

What Goes Up Must Come Down: Movement of Water in Europa’s Crust

31 July 202531 July 2025
Editors' Vox

JGR: Space Physics Launches New Instrumentation Article Type

23 July 202521 July 2025
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