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Geomagnetic storms in Louisville — December 13, 2025

December 13, 2025
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Maximum Kp index on December 13, 2025

Kp = 3+

Maximum Kp index on December 13, 2025

The Earth's magnetosphere was quiet

Kp = 3+

Geomagnetic storms in Louisville on December 13, 2025

Changes in the geomagnetic index Kp from December 11 to 13, 2025 for mid latitudes

Time zone — UTC−05 (Louisville | geographic coordinates — 38.17 N 85.75 E)

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Geomagnetic index Kp for 3 days
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Geomagnetic storms in Louisville in December 2025

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

Time zone — UTC−05 (Louisville | geographic coordinates — 38.17 N 85.75 E)

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Daily Kp index in December 2025
PNG API: JSON | TXT

Geomagnetic activity indices on December 13, 2025

Geomagnetic index Ap 14
Solar radio flux F10.7 122