Maximum Kp index on August 21, 2004
Kp = 4
Maximum Kp index on August 21, 2004
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Madison on August 21, 2004
Time zone — UTC−05 — summer time (Madison | 43.07 N 89.38 W)
Geomagnetic storms in Madison in August 2004
Time zone — UTC−05 — summer time (Madison | 43.07 N 89.38 W)
Geomagnetic activity indices on August 21, 2004
| Geomagnetic index Ap | 17 |
|---|---|
| Solar radio flux F10.7 | 120 |