Geomagnetic storm forecast for London on March 21, 2026

March 21, 2026

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Forecast for March 21, 2026

geomagnetic storm was expected — level G3 (Kp = 7)

geomagnetic storm was expected — level G3 (Kp = 7)

Geomagnetic index Kp forecast from March 21 to 23, 2026 for mid latitudes

Time zone — UTC+00 (London | geographic coordinates — 51.51 N 0.13 W)

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Estimated probability of geomagnetic storms and disturbances from March 21 to 23, 2026.

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

Mar 21, 2026 Probability of geomagnetic storms Mar 21, 2026

Mar 22, 2026 Probability of geomagnetic storms Mar 22, 2026

Mar 23, 2026 Probability of geomagnetic storms Mar 23, 2026

Estimated values of Ap and F10.7 indices from March 21 to 23, 2026 for time zone UTC+00

	Mar 21, 2026	Mar 22, 2026	Mar 23, 2026
Ap	35	24	15
F10.7	122	122	125

Forecast of the daily maximum value of geomagnetic index Kp from March 21 to April 20, 2026 (31 days).

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

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