Geomagnetic storms in December 2001
Time zone — UTC+00
Geomagnetic storm calendar in December 2001
Days with magnetic storms — 2 Days with geomagnetic disturbances — 5
Ap and F10.7 index values in December 2001
Maximum value of the Ap index for the month — 19 Maximum value of the F10.7 index for the month — 275 Maximum value of the Kp index for the month — 5