Maximum Kp index on September 13, 2011
Kp = 4
Maximum Kp index on September 13, 2011
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Pierre on September 13, 2011
Time zone — UTC−05 — summer time (Pierre | 44.37 N 100.34 W)
Geomagnetic storms in Pierre in September 2011
Time zone — UTC−05 — summer time (Pierre | 44.37 N 100.34 W)
Geomagnetic activity indices on September 13, 2011
| Geomagnetic index Ap | 17 |
|---|---|
| Solar radio flux F10.7 | 129 |