Geomagnetic storm forecast for Reykjavik on September 13, 2025

September 13, 2025

Reykjavik change region

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Forecast for September 13, 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 13 to 15, 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 13 to 15, 2025.

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

Sep 13, 2025 Probability of geomagnetic storms Sep 13, 2025

Sep 14, 2025 Probability of geomagnetic storms Sep 14, 2025

Sep 15, 2025 Probability of geomagnetic storms Sep 15, 2025

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

	Sep 13, 2025	Sep 14, 2025	Sep 15, 2025
Ap	5	12	20
F10.7	120	125	130

Forecast of the daily maximum value of geomagnetic index Kp from September 13 to October 13, 2025 (31 days).

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

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