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Space Weather

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Plot showing an example of errors in estimates of thermospheric density derived using a range of different models.
Posted inEditors' Highlights

Better Thermospheric Monitoring is Vital to Space Safety

by Michael A. Hapgood 18 May 202127 July 2022

Better real-time estimates of thermospheric density are vital to the safe management of satellite traffic in Low Earth orbit, ensuring those satellites continue to deliver critical services.

A coronal mass ejection is seen in this image captured by the Solar Terrestrial Relations Observatory spacecraft in 2012.
Posted inResearch Spotlights

The “Complicated” Complexity of Solar Storms

Elizabeth Thompson by Elizabeth Thompson 29 October 202031 May 2022

Researchers turned to crowdsourced science to identify patterns in coronal mass ejections.

Right: Image of a solar flare observed on 19 October 2014. Left: Diagram showing configuration of the planets at the time of the flare
Posted inEditors' Highlights

The Importance of Solar Lyman-alpha Emissions for Space Weather

by Michael A. Hapgood 29 September 202013 October 2022

Lyman-alpha emissions convey a major part of the solar-flare photon energy reaching Earth and play a significant role in flare-driven enhancements of ionospheric conductivity.

Artist’s illustration of the SES-14 communications satellite above Earth
Posted inResearch Spotlights

A GOLDen Way to Study Space Weather

by Mark Zastrow 4 August 202029 September 2021

A NASA mission is observing airglow in the upper atmosphere and uncovering what it tells us about Earth’s space weather system.

Two charts showing simulated geoelectric fields along a profile running south-east to north-west through New York City
Posted inEditors' Highlights

Is Space Weather Worse by the Sea?

by Michael A. Hapgood 29 June 202028 March 2023

A new simulation of space-weather driven geoelectric fields at the land/sea conductivity boundary shows how these fields are magnified by both coastal effects and inhomogeneous land conductivity.

Schematic of an ensemble forecast where the lines represent trajectories of individual forecasts that diverge from each other owing to uncertainties in the initial conditions
Posted inEditors' Highlights

Advancing Ensemble Methods in Space Weather Forecasting

by Michael A. Hapgood 23 June 202010 February 2023

A short, must-read, report for anyone developing new space weather forecasts.

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.

Diagrams illustrating Rossby waves traveling around the Sun and the Earth
Posted inResearch Spotlights

Space Weather Forecasting Takes Inspiration from Meteorology

Sarah Stanley, Science Writer by Sarah Stanley 11 May 202029 March 2022

Solar features analogous to major atmospheric waves on Earth could offer more advanced warning of harmful solar storms.

Part of the High-frequency Active Auroral Research Program antenna array in Alaska
Posted inScience Updates

Returning Lightning Data to the Cloud

by M. Cohen 24 April 202022 November 2021

Scientists are assembling an online database with decades of low-frequency radio measurements collected worldwide to facilitate modern research about lightning, space weather, and more.

A graphical representation of the path from science to applications, using a sequence of nine Application Usability Levels
Posted inEditors' Highlights

Highlighting the Path from Space Weather Science to Applications

by Michael A. Hapgood 20 March 202031 January 2022

The transition of space weather science from research to operations needs a framework with both good science and a good dialogue with end users.

Posts pagination

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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.

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Cows, Coal, and Chemistry: The Role of Photochemistry in Methane Budget

27 January 202623 January 2026
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Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
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