Maximum Kp index on December 13, 2009
Kp = 3
Maximum Kp index on December 13, 2009
The Earth's magnetosphere was quiet
Kp = 3
Geomagnetic storms in Chicago on December 13, 2009
Time zone — UTC−06 (Chicago | 41.84 N 87.68 W)
Geomagnetic storms in Chicago in December 2009
Time zone — UTC−06 (Chicago | 41.84 N 87.68 W)
Geomagnetic activity indices on December 13, 2009
| Geomagnetic index Ap | 2 |
|---|---|
| Solar radio flux F10.7 | 76 |