Geomagnetic forecast
Forecast of magnetic storms from Dec 18, 2011 to Dec 20, 2011
| 18.12.2011 | 19.12.2011 | 20.12.2011 | |
| Probability of a magnetic storm | 1% | 1% | 1% |
| Probability of a strong magnetic storm | 1% | 1% | 1% |
27-day forecast of magnetic storms
| 18.12.2011 | 19.12.2011 | 20.12.2011 | |
| Probability of a magnetic storm | 1% | 1% | 1% |
| Probability of a strong magnetic storm | 1% | 1% | 1% |