Maximum Kp index on February 4, 2009
Kp = 4
Maximum Kp index on February 4, 2009
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Sarnia on February 4, 2009
Time zone — UTC−05 (Sarnia | 42.99 N 82.4 W)
Geomagnetic storms in Sarnia in February 2009
Time zone — UTC−05 (Sarnia | 42.99 N 82.4 W)
Geomagnetic activity indices on February 4, 2009
| Geomagnetic index Ap | 16 |
|---|---|
| Solar radio flux F10.7 | 70 |