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rain

A small brown and gray mouse, Abrothrix hirta, sits on green grass strewn with a few brown leaves. The mouse faces left and is photographed in profile.
Posted inNews

Rain Makes Skulls Bigger—in Mice

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 4 October 202228 October 2022

New research shows how regional weather, shaped by towering mountain ranges, might influence the size and shape of local rodents.

Posted inEditors' Highlights

Why Does It Rain So Much Over Tropical Land?

by Nicolas Gruber 12 September 202220 December 2022

Analyses of observations show that tropical land receives more rain than its fair share, owing to a proposed negative feedback that is not captured in current climate models.

Four radar reflectivity diagrams.
Posted inEditors' Highlights

Advanced Real-Time Prediction of Storms With 30-Second Refresh

by Jiwen Fan 19 August 202228 September 2022

A new-generation weather radar and a massive supercomputing system enables forecasts of storms refreshed every 30 seconds, a significant development in severe weather prediction.

Photograph of a raincloud over an ocean.
Posted inEditors' Highlights

More Accurately Modeling Rain Formation

by Tapio Schneider 14 July 202222 December 2022

Rain and cloud droplets are treated as distinct categories in most models yet lie on a continuous droplet size spectrum in nature. Representing them as part of a continuous spectrum improves models.

Three maps of the United States with different colored data points.
Posted inEditors' Highlights

Explaining Uncertainty in Estimates of Rain Response to Warming

by Alessandra Giannini 13 July 202225 July 2022

Humidity increases with warming. Theory and observations about how increased humidity translates into more extreme rainfall can be reconciled if attention is paid to data and methods.

An evergreen forest in southern Oregon.
Posted inNews

Large-Scale Reforestation Efforts Could Dry Out Landscapes Across the World

by Nathaniel Scharping 24 June 202224 June 2022

The complex interactions between forests and the water cycle might end up with more rain falling in the ocean—far from a thirsty land.

Monsoonal rainfall in Manipal, Western Ghats.
Posted inNews

A Community-Led Landslide Prediction System in India

Rishika Pardikar, Science Writer by Rishika Pardikar 7 June 20227 June 2022

In a first-of-its-kind disaster prevention initiative, a meteorology-based landslide prediction system was developed as a crowdsourced science effort.

Posted inNews

Crowdsourced Weather Projects Boost Climate Science Research

by Jennifer Schmidt 2 June 20222 March 2023

Historic observations, manually transcribed from handwritten records, are giving scientists a fresh glimpse into Victorian era climate.

Rain clouds hang over a valley in Uttarakhand, India.
Posted inNews

Higher Sea Surface Temperatures Could Lead to a Weaker Monsoon

by T. V. Padma 6 April 202226 October 2022

Most climate models predict that the South Asian monsoon will strengthen with climate change, but new research indicates warmer ocean temperatures may lead to a drier phenomenon.

A river in Katherine, Northern Territory, Australia
Posted inResearch Spotlights

Tree Rings Reveal a Puzzling Trend in Monsoon Intensity

by Saima May Sidik 31 March 202221 July 2022

Tree rings confirm that in northern Australia, the past 40 years have experienced more rain than any similar length of time in the past 600 years.

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A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

Features from AGU Publications

Research Spotlights

Wintertime Spike in Oceanic Iron Levels Detected near Hawaii

11 December 202511 December 2025
Editors' Highlights

Frictional Properties of the Nankai Accretionary Prism

11 December 20259 December 2025
Editors' Vox

Hydrothermal Circulation and Its Impact on the Earth System

3 December 20253 December 2025
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