Geomagnetic Storms in September, 2011
6 storms ↑ MAX: Kp 8 ↓ MIN: Kp 1
6 storms ↑ MAX: Kp 8 ↓ MIN: Kp 1
In September 2011, 6 geomagnetic storms were recorded; the strongest was Kp 8 on September 26, 2011. The longest run of consecutive active days was 2 (9 Sep–10 Sep).
Most powerful Geomagnetic Storms in September 2011
| Date | Class | Level | Duration |
|---|---|---|---|
| September 26, 2011 | Kp 8 | Severe (G4) | 12 h |
| September 9, 2011 | Kp 7 | Strong (G3) | 15 h |
| September 17, 2011 | Kp 6 | Moderate (G2) | 3 h |
| September 10, 2011 | Kp 5 | Minor (G1) | 3 h |
| September 12, 2011 | Kp 5 | Minor (G1) | 3 h |
| September 28, 2011 | Kp 5 | Minor (G1) | 6 h |