Geomagnetic storms in Thunder bay in August 2025

Aug 1, 2025 Thunder bay

Changes in the maximum daily geomagnetic index Kp in August 2025 for mid latitudes

Location — Thunder bay (geographic coordinates — 48.42 N -89.28 W | time zone UTC-04 - summer time)

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List of magnetic storms in August 2025

Location — Thunder bay (geographic coordinates — 48.42 N -89.28 W | time zone UTC-04 - summer time)

Solar radio flux (10.7 cm) = 163

Mean planetary A index = 47

Mean planetary Kp index = 6