Geomagnetic storm forecast for Lisbon on September 15, 2026

September 15, 2026

Lisbon change region

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Forecast for September 15, 2026

geomagnetic disturbances were expected (Kp = 5-)

geomagnetic disturbances were expected (Kp = 5-)

Geomagnetic index Kp forecast from September 15 to 17, 2026 for mid latitudes

Time zone — UTC+01 — summer time (Lisbon | geographic coordinates — 38.72 N 9.14 W)

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Estimated probability of geomagnetic storms and disturbances from September 15 to 17, 2026.

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

Sep 15, 2026 Probability of geomagnetic storms Sep 15, 2026

Sep 16, 2026 Probability of geomagnetic storms Sep 16, 2026

Sep 17, 2026 Probability of geomagnetic storms Sep 17, 2026

Estimated values of Ap and F10.7 indices from September 15 to 17, 2026 for time zone UTC+00

	Sep 15, 2026	Sep 16, 2026	Sep 17, 2026
Ap	20	20	22
F10.7	105	110	105

Forecast of the daily maximum value of geomagnetic index Kp from September 15 to October 15, 2026 (31 days).

Information is provided for mid latitudes (region — Lisbon | time zone UTC+01)

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