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precipitation

A small stream snakes through a vast field of low, green vegetation in front of arid-looking mountain peaks.
Posted inOpinions

A Hybrid Approach for Revealing Headwater Hydrology

by John Hammond, Jay Christensen, Kristin Jaeger, Roy Sando and Jacob A. Zwart 5 August 20265 August 2026

Coordinated work to compile existing data and apply models pairing physical understanding with machine learning could substantially improve streamflow predictions for little-known headwater basins.

Towering storm clouds over part of Earth’s surface are seen from space, with sunlight reflecting off part of the ocean’s surface.
Posted inFeatures

Arctic Sea Ice Loss May Be Reshaping the Asian Monsoon

by Neha Kushwaha 29 July 202629 July 2026

The connections are still cloudy, but scientists are beginning to reveal ways in which disappearing sea ice may affect the annual monsoon thousands of kilometers away.

A collection of gray dots and watercolor-like droplets is clustered over the grass in a public park. The park background is a photo, and the cloud of dots was added with editing software.
Posted inResearch Spotlights

Comparing Machine Learning Models of Raindrop Formation

by Nathaniel Scharping 8 July 20268 July 2026

The simplest model, based on polynomials, yields the best performance.

A gif of the Earth shows a pattern of red and blue swirling over the tropical Pacific Ocean.
Posted inResearch & Developments

6 Ways This Year’s “Super El Niño” Could Affect Climate, Humans, and Marine Creatures

by Emily Gardner 11 June 202612 June 2026

The key word here is “could.” Experts emphasize that no two El Niños are alike.

Panoramic view overlooking a stream meandering through green farm fields toward hills and mountains in the distance
Posted inOpinions

Archetypes Could Accelerate Agricultural Adaptation to Less Snowpack

by Beatrice L. Gordon, Gabrielle F. S. Boisrame, Christine M. Albano, Rosemary W. H. Carroll and Adrian A. Harpold 9 June 20269 June 2026

Measurable characteristics can be used to develop archetypes of complex agricultural systems, helping stakeholders to assess where different adaptation strategies are more likely to succeed.

A storm approaches a rocky peak covered in snow in Antarctica.
Posted inResearch Spotlights

Rivers in the Antarctic Sky, Captured in 3D

by Rebecca Owen 2 June 20262 June 2026

A new study shows that atmospheric rivers may be responsible for up to 90% of Antarctica’s annual precipitation.

A burnt, smoky hillside with burnt trees lies along a road.
Posted inNews

Low Snow in Eurasia Linked to Wildfires in California

by Andrew Chapman 13 May 202615 May 2026

Scientists found that low autumn snow levels in western Eurasia are associated with dry, warm winters in California, increasing the Golden State’s wildfire risk.

A wildfire burns in a forest at night.
Posted inNews

Most of the U.S. West Will Face Above-Normal Wildfire Risk This Summer

by Grace van Deelen 11 May 202611 May 2026

The National Interagency Fire Center predicts elevated wildfire potential across much of the West and many Southeast states through August.

A rocky stream flows through a landscape of burned trees. A mountain is visible in the background.
Posted inResearch Spotlights

How Wildfires Worsen Flood Risk

by Nathaniel Scharping 30 April 202630 April 2026

A new approach to analyzing watersheds shows how storms occurring after a wildfire can have higher flooding risk than similar storms that occurred before a fire.

Posted inEditors' Highlights

The “Wet-Gets-Wetter” Response to Climate Change Does Not Always Apply

by Donald Wuebbles 4 March 20263 March 2026

While the precipitation response to a warming climate is often stated as the “wet gets wetter,” this response does not apply to east-west overturning circulations like the Pacific Walker circulation.

Posts pagination

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

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Extreme Heat May Drive Asthma Risk in Baltimore, Especially at Night

12 August 202612 August 2026
Editors' Highlights

How Fluid Mixing due to Kelvin-Helmholtz Instabilities Really Works

13 August 202613 August 2026
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Introducing Research Letters in Paleoceanography and Paleoclimatology

12 August 202610 August 2026
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