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Space Weather

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A coronal loop of plasma travels along the Sun’s magnetic field lines
Posted inResearch Spotlights

Plasma Activity Around Sunspots May Foreshadow Solar Storms

Aaron Sidder, freelance science writer by Aaron Sidder 5 December 201831 January 2023

A new study identifies possible precursors to space weather in the regions encircling sunspots.

Posted inEditors' Highlights

Seeing Waves: GNSS Tracking of Waves in the Upper Atmosphere

by Michael A. Hapgood 8 October 201813 April 2022

Dense GNSS networks enable scientists to track large-scale waves traveling through the upper atmosphere, away from sources in the auroral zone and the day/night terminator.

Posted inEditors' Highlights

Why Space Weather Needs Ensemble Forecasting

by D. T. Welling 9 August 201810 February 2023

Weather forecasts combine many model predictions to create an ensemble that is more accurate than separate models, a technique now starting to be applied in space weather science.

Researchers look at space storm data to understand how they caused fluctuations in Earth’s surface geomagnetic field
Posted inResearch Spotlights

How Two Massive Space Storms Zapped Alaska

by E. Underwood 6 August 201816 November 2021

New study reveals how space weather causes rapid fluctuations in Earth’s surface geomagnetic field.

Posted inEditors' Highlights

Forecasting the Threat from the Sun

by Michael A. Hapgood 3 August 201820 May 2022

Ensemble techniques are opening a path toward space weather forecasts that give deeper understanding of the risk posed by each solar storm that approaches our planet.

Researchers assess how space storms impact satellites in geosynchronous orbit
Posted inResearch Spotlights

How Space Storms Affect the Satellite Superhighway

by E. Underwood 30 April 201813 April 2022

A powerful numerical model reveals how space weather disturbs magnetic field at geosynchronous orbit.

Researchers use satellite data to calculate how fast the Nile Delta is sinking
Posted inResearch Spotlights

Capturing Structural Changes of Solar Blasts en Route to Earth

Sarah Stanley, Science Writer by Sarah Stanley 25 April 20184 May 2022

Comparison of magnetic field structures for 20 coronal mass ejections at eruption versus Earth arrival highlights the importance of tracking structural evolution to refine space weather predictions.

Posted inEditors' Highlights

Catching the Oncoming Radiation Storm

by Michael A. Hapgood 13 April 201815 June 2022

Improved processing enables satellite-based radiation sensors to match ground-based sensors in providing prompt warnings of the onset of atmospheric radiation storms that can endanger civil aviation.

Posted inResearch Spotlights

Increasing Radiation Levels May Challenge Space Exploration

by David Shultz 5 April 201827 March 2023

New research shows that solar radiation levels are growing 10% faster than previously believed and that the radiation environment in space will worsen with time.

Posted inEditors' Highlights

Improving Temperature Forecasts in the Upper Atmosphere

by D. J. Knipp 19 March 201810 February 2023

Scientists are blending output from multi-year model runs to improve temperature forecasts in regions where satellites experience “drag,” in the hopes of avoiding future spacecraft collisions.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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