Archive · 22 May 2025
Scientists Warn of Inadequate Solar Storm Forecasting Capabilities
Imagine the sun throws a tantrum, and we don't know how bad it will be until the last minute.
That's what it's like with solar storms!
Scientists can see when a storm is coming from the sun, but they can't tell how strong it is until it's almost here.
The key is the direction of the storm's magnetic field, called the Bz component.
Right now, we only find out the direction when the storm is very close to Earth, giving us little time to prepare.
Scientists need more 'eyes' on the sun from different angles to give us more warning, potentially days instead of minutes.
These storms can damage satellites, power grids, and other technology, so more warning time is super important!
Scientists struggle to predict the orientation of solar storm magnetic fields, crucial for assessing their impact.
The Bz component, indicating magnetic field direction, is currently only detectable shortly before impact.
Current warnings from spacecraft like ACE and DSCOVR provide only 15-60 minutes' notice.
Expanding solar observation infrastructure, such as with new satellites at Lagrange points, is suggested for better forecasting.
A past Carrington Event and a near miss in 2012 highlight the potential for severe technological disruption.
- Who
- Scientists
- What
- Warn of inadequate solar storm forecasting
- When
- The problem persists currently.
- Where
- Earth and space near Earth
- Why
- Current forecasting lacks the ability to predict the impact of solar storms until shortly before they hit, due to limited information about their magnetic field orientation.
- Solar Storm Type
- Coronal Mass Ejections (CMEs)
- Critical Factor
- Bz component
- Current Warning Time
- 15-60 minutes
- Current Observation Point
- Lagrange Point 1 (L1)
- Estimated time for forecasting precision improvement
- 50 years
- ESA's Vigil Mission Launch
- 2031
- Vigil Mission Observation Point
- L5