Maximum Kp index on April 12, 2004
Kp = 4
Maximum Kp index on April 12, 2004
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Pierre on April 12, 2004
Time zone — UTC−05 — summer time (Pierre | 44.37 N 100.34 W)
Geomagnetic storms in Pierre in April 2004
Time zone — UTC−05 — summer time (Pierre | 44.37 N 100.34 W)
Geomagnetic activity indices on April 12, 2004
| Geomagnetic index Ap | 11 |
|---|---|
| Solar radio flux F10.7 | 91 |