Geomagnetic storm forecast for London

September 28, 2025

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Geomagnetic storm forecast for London for September 28, 2025

the Earth's magnetosphere was expected to be calm (Kp = 3.67)

the Earth's magnetosphere was expected to be calm (Kp = 3.67)

Geomagnetic index Kp forecast from September 28 to 30, 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 28 to 30, 2025.

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

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

Sep 29, 2025 Probability of geomagnetic storms Sep 29, 2025

Sep 30, 2025 Probability of geomagnetic storms Sep 30, 2025

Estimated values of Ap and F10.7 indices from September 28 to 30, 2025 for time zone UTC+00

	Sep 28, 2025	Sep 29, 2025	Sep 30, 2025
Ap	5	15	8
F10.7	170	170	180

Forecast of the daily maximum value of geomagnetic index Kp from September 28 to October 28, 2025 (31 days).

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

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