Geomagnetic storm forecast for London

September 26, 2025

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Geomagnetic storm forecast for London for September 26, 2025

the Earth's magnetosphere was expected to be calm (Kp = 2.33)

the Earth's magnetosphere was expected to be calm (Kp = 2.33)

Geomagnetic index Kp forecast from September 26 to 28, 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 26 to 28, 2025.

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

Sep 26, 2025 Probability of geomagnetic storms Sep 26, 2025

Sep 27, 2025 Probability of geomagnetic storms Sep 27, 2025

Sep 28, 2025 Probability of geomagnetic storms Sep 28, 2025

Estimated values of Ap and F10.7 indices from September 26 to 28, 2025 for time zone UTC+00

	Sep 26, 2025	Sep 27, 2025	Sep 28, 2025
Ap	5	5	5
F10.7	175	175	170

Forecast of the daily maximum value of geomagnetic index Kp from September 26 to October 26, 2025 (31 days).

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

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