A new study identifies possible precursors to space weather in the regions encircling sunspots.
Space Weather
Posted inEditors' Highlights
Seeing Waves: GNSS Tracking of Waves in the Upper Atmosphere
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
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.
Posted inResearch Spotlights
How Two Massive Space Storms Zapped Alaska
New study reveals how space weather causes rapid fluctuations in Earth’s surface geomagnetic field.
Posted inEditors' Highlights
Forecasting the Threat from the Sun
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.
Posted inResearch Spotlights
How Space Storms Affect the Satellite Superhighway
A powerful numerical model reveals how space weather disturbs magnetic field at geosynchronous orbit.
Posted inResearch Spotlights
Capturing Structural Changes of Solar Blasts en Route to Earth
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
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
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
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.