Geomagnetic storm forecast for London

December 13, 2025

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Geomagnetic storm forecast for London for December 13, 2025

geomagnetic disturbances were expected (Kp = 4.67)

geomagnetic disturbances were expected (Kp = 4.67)

Geomagnetic index Kp forecast from December 13 to 15, 2025 for mid latitudes

Location — London (geographic coordinates — 51.51 N 0.13 W | time zone UTC+00)

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Estimated probability of geomagnetic storms and disturbances from December 13 to 15, 2025.

Information is provided for mid latitudes for time zone UTC+00

Dec 13, 2025 Probability of geomagnetic storms Dec 13, 2025

Dec 14, 2025 Probability of geomagnetic storms Dec 14, 2025

Dec 15, 2025 Probability of geomagnetic storms Dec 15, 2025

Estimated values of Ap and F10.7 indices from December 13 to 15, 2025 for time zone UTC+00

	Dec 13, 2025	Dec 14, 2025	Dec 15, 2025
Ap	12	12	8
F10.7	140	130	130

Forecast of the daily maximum value of geomagnetic index Kp from December 13, 2025 to January 12, 2026 (31 days).

Information is provided for mid latitudes (time zone UTC+00)

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