Maximum Kp index on July 21, 2011
Kp = 3
Maximum Kp index on July 21, 2011
The Earth's magnetosphere was quiet
Kp = 3
Geomagnetic storms in Memphis on July 21, 2011
Time zone — UTC−05 — summer time (Memphis | 35.11 N 89.97 W)
Geomagnetic storms in Memphis in July 2011
Time zone — UTC−05 — summer time (Memphis | 35.11 N 89.97 W)
Geomagnetic activity indices on July 21, 2011
| Geomagnetic index Ap | 12 |
|---|---|
| Solar radio flux F10.7 | 96 |