Geomagnetic storm forecast for London

September 3, 2025

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Geomagnetic storm forecast for London for September 3, 2025

geomagnetic disturbances were expected (Kp = 4.67)

geomagnetic disturbances were expected (Kp = 4.67)

Geomagnetic index Kp forecast from September 3 to 5, 2025 for mid latitudes

Location — London (geographic coordinates — 51.51 N 0.13 W | time zone UTC+01 — summer time)

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Estimated probability of geomagnetic storms and disturbances from September 3 to 5, 2025.

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

Sep 3, 2025 Probability of geomagnetic storms Sep 3, 2025

Sep 4, 2025 Probability of geomagnetic storms Sep 4, 2025

Sep 5, 2025 Probability of geomagnetic storms Sep 5, 2025

Estimated values of Ap and F10.7 indices from September 3 to 5, 2025 for time zone UTC+00

	Sep 3, 2025	Sep 4, 2025	Sep 5, 2025
Ap	5	5	5
F10.7	140	195	185

Forecast of the daily maximum value of geomagnetic index Kp from September 3 to October 3, 2025 (31 days).

Information is provided for mid latitudes (time zone UTC+01)

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