Omega-band aurora carries fast propagating electric currents in the azimuthal direction, producing geomagnetically induced currents that can cause power outage on the ground beneath.
space weather (hazard)
Posted inNews
Space Weather Lessons from a 1928 Dirigible Debacle
Analysis of a disrupted SOS signal during an early polar expedition showcases the importance of taking space weather into account when exploring new frontiers.
Posted inOpinions
All Hands on Deck for Ionospheric Modeling
Challenges to studying the ionosphere’s ability to conduct electrical currents undercut scientists’ efforts to improve space weather forecasting models. Let’s tackle them together.
Posted inEditors' Highlights
Space Traffic Management: Better Space Weather Forecasts Needed
Better forecasts of space-weather driven changes in thermospheric density are urgently needed to ensure safe management of the rapidly growing volume of space traffic in low Earth orbit.
Posted inResearch Spotlights
“Electron Wings” Can Interfere with Spacecraft Measurements
Spacecraft sometimes produce a form of electrical self-interference as they zip through plasmas in space—a previously unreported effect that may be lurking in old data sets.
Posted inResearch Spotlights
Atmospheric Drag Alters Satellite Orbits
A new modeling study shows how the density of the thermosphere influences the paths of satellites in low Earth orbit.
Posted inEditors' Vox
The Infrastructure Impacts of Solar Storms
A new book brings together insights from the space weather, geophysics, and power engineering communities to understand the characteristics and impacts of geomagnetically induced currents.
Posted inEditors' Vox
Space Weather Aviation Forecasting on a Global Scale
Under a new mandate, consortia of the world’s major space weather centers will disseminate new space-weather advisories for civil aviators representing a significant change-of-state for space weather.
Posted inEditors' Highlights
Looking Away from the Sun: Improved Tracking of Solar Storms
A new tool for tracking coronal mass ejections away from the Sun opens a path toward more accurate warnings for operators who have to cope with adverse space weather.
Posted inNews
Forecasting Solar Storms in Real Time
Predicting when solar storms will hit Earth remains a tricky business. To help, scientists can now submit their forecasts of coronal mass ejections online as they unfold in real time.