Geomagnetic storm forecast for Reykjavik on September 23, 2025

September 23, 2025

Reykjavik change region

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Forecast for September 23, 2025

the Earth's magnetosphere was expected to be calm (Kp = 3+)

the Earth's magnetosphere was expected to be calm (Kp = 3+)

Geomagnetic index Kp forecast from September 23 to 25, 2025 for mid latitudes

Time zone — UTC+00 (Reykjavik | geographic coordinates — 64.15 N 21.95 W)

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Estimated probability of geomagnetic storms and disturbances from September 23 to 25, 2025.

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

Sep 23, 2025 Probability of geomagnetic storms Sep 23, 2025

Sep 24, 2025 Probability of geomagnetic storms Sep 24, 2025

Sep 25, 2025 Probability of geomagnetic storms Sep 25, 2025

Estimated values of Ap and F10.7 indices from September 23 to 25, 2025 for time zone UTC+00

	Sep 23, 2025	Sep 24, 2025	Sep 25, 2025
Ap	12	5	5
F10.7	180	185	185

Forecast of the daily maximum value of geomagnetic index Kp from September 23 to October 23, 2025 (31 days).

Information is provided for mid latitudes (region — Reykjavik | time zone UTC+00)

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