Maximum Kp index on February 4, 2011
Kp = 6
Maximum Kp index on February 4, 2011
A geomagnetic storm was recorded — level G2
Kp = 6
Geomagnetic storms in Fort Smith on February 4, 2011
Time zone — UTC−07 (Fort Smith | 60 N 111.87 W)
Geomagnetic storms in Fort Smith in February 2011
Time zone — UTC−07 (Fort Smith | 60 N 111.87 W)
Geomagnetic activity indices on February 4, 2011
| Geomagnetic index Ap | 21 |
|---|---|
| Solar radio flux F10.7 | 82 |