Geomagnetic storms in Thunder bay in April 2001
Time zone — UTC−04 — summer time (Thunder bay | 48.42 N 89.28 W)
Geomagnetic storm calendar in April 2001 by time in Thunder bay
Days with magnetic storms — 14 Days with geomagnetic disturbances — 7
Ap and F10.7 index values in April 2001
Maximum value of the Ap index for the month — 60 Maximum value of the F10.7 index for the month — 258 Maximum value of the Kp index for the month — 8