Geomagnetic storms in Fort Smith in December 2025
Time zone — UTC−07 (Fort Smith | 60 N 111.87 W)
Geomagnetic storm calendar in December 2025 by time in Fort Smith
Days with magnetic storms — 5 Days with geomagnetic disturbances — 6
Ap and F10.7 index values in December 2025
Maximum value of the Ap index for the month — 33 Maximum value of the F10.7 index for the month — 220 Maximum value of the Kp index for the month — 7-