Geomagnetic storm forecast for Detroit on August 18, 2026

August 18, 2026

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Forecast for August 18, 2026

geomagnetic storm was expected — level G1 (Kp = 5+)

geomagnetic storm was expected — level G1 (Kp = 5+)

Geomagnetic index Kp forecast from August 18 to 20, 2026 for mid latitudes

Time zone — UTC−04 — summer time (Detroit | geographic coordinates — 42.38 N 83.1 W)

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Estimated probability of geomagnetic storms and disturbances from August 18 to 20, 2026.

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

Aug 18, 2026 Probability of geomagnetic storms Aug 18, 2026

Aug 19, 2026 Probability of geomagnetic storms Aug 19, 2026

Aug 20, 2026 Probability of geomagnetic storms Aug 20, 2026

Estimated values of Ap and F10.7 indices from August 18 to 20, 2026 for time zone UTC+00

	Aug 18, 2026	Aug 19, 2026	Aug 20, 2026
Ap	16	20	15
F10.7	125	125	125

Forecast of the daily maximum value of geomagnetic index Kp from August 18 to September 17, 2026 (31 days).

Information is provided for mid latitudes (region — Detroit | time zone UTC−04)

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