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weather

Charts showing the system performance of the flood protection strategy and conventional systems
Posted inEditors' Highlights

Rainwater Harvesting Can Reduce Flooding as Well as Saving Water

by Jim Hall 23 September 202024 February 2023

Weather forecasting can greatly improve benefits of rainwater harvesting.

Satellite imagery showing the clouds of convective weather systems over Southeast Asia and the Philippine Sea on 18 September 2019
Posted inResearch Spotlights

Warming in the Antarctic Stratosphere Affects Tropical Weather

Aaron Sidder, freelance science writer by Aaron Sidder 1 September 202029 March 2022

Rapid temperature spikes in the stratosphere above Antarctica can influence weather and spark cyclones in the Northern Hemisphere’s tropics.

Satellite image of storms Laura and Marco in the Caribbean and Gulf of Mexico
Posted inNews

Storms Interact but Rarely Merge into Bigger Tempests

Katherine Kornei, Science Writer by Katherine Kornei 26 August 20206 January 2022

The Fujiwhara effect—complex interactions between large storms nearby each other—can steer hurricanes and tropical storms but doesn’t typically create colossal tempests.

Artist’s illustration of the Lagrange mission under consideration by the European Space Agency showing two spacecraft situated between the Sun and Earth
Posted inResearch Spotlights

How to Improve Space Weather Forecasting

by Mark Zastrow 19 June 202022 February 2023

The field of space weather forecasting could take cues from its Earthly counterpart to increase the reliability of models as well as warning times ahead of inbound solar storms.

Photo of a tornado
Posted inEditors' Vox

Bridging the Gap Between Weather and Climate Predictions

by C. Zhang 8 June 202029 March 2022

A special collection on subseasonal-to-seasonal prediction presents the latest progress in filling the gap between short-term weather prediction and longer-term climate prediction.

Lightning flashes during a tornadic storm in Oklahoma.
Posted inFeatures

Lightning Research Flashes Forward

Heather Goss, AGU Publisher by Heather Goss 24 April 202017 August 2022

A greater understanding of lightning mechanisms is spurring the development of more accurate weather forecasting, increased public health precautions, and a more sophisticated understanding of lightning itself.

Graphs showing how accurately four different models predict seasonal climate change.
Posted inEditors' Highlights

Extreme Summer Heat over Europe Is Predictable Week-to-Week

by Alessandra Giannini 26 November 201914 February 2023

Forecasts made one to a few weeks in advance, known as “subseasonal to seasonal” predictions, show more skill in predicting extreme summer heat waves over Europe than spells of normal or cold weather.

Clouds and rainbows hang over a broad beach on Britain’s west coast.
Posted inOpinions

When Does Weather Become Climate?

by O. Bothe 14 August 201913 February 2023

Flexible definitions of the word “climate” may impede policy discussions on climate change. Closing apparent gaps between “climate” and “weather” may help reduce the ambiguity.

Hurricane Michael approaches the coastline of the Florida Panhandle on 10 October 2018.
Posted inOpinions

Artificial Intelligence May Be Key to Better Weather Forecasts

by S.-A. Boukabara, V. Krasnopolsky, J. Q. Stewart, S. G. Penny, R. N. Hoffman and E. Maddy 1 August 20195 October 2021

Recent advances in machine learning hold great potential for converting a deluge of data into weather forecasts that are fast, accurate, and detailed.

Snow covers much of the Korean Peninsula, as seen in this satellite image captured on 25 January 2019.
Posted inScience Updates

How Is Recent Arctic Warming Impacting East Asian Weather?

by S.-J. Kim, B.-M. Kim and J. Ukita 29 July 201916 November 2022

Arctic Warming and East Asia Weather Linkage Workshop; Incheon, South Korea, 13 May 2019

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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

Marine Heat Waves Can Exacerbate Heat and Humidity over Land

2 January 20262 January 2026
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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