Geomagnetic forecast
Forecast of magnetic storms from Dec 18, 2017 to Dec 20, 2017
| 18.12.2017 | 19.12.2017 | 20.12.2017 | |
| Probability of a magnetic storm | 25% | 10% | 1% |
| Probability of a strong magnetic storm | 5% | 1% | 1% |
27-day forecast of magnetic storms
| 18.12.2017 | 19.12.2017 | 20.12.2017 | |
| Probability of a magnetic storm | 25% | 10% | 1% |
| Probability of a strong magnetic storm | 5% | 1% | 1% |