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Geomagnetic storm forecast for Yuzhno-Sakhalinsk — October 21, 2025

October 21, 2025

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Home Geomagnetic storm forecast Yuzhno-Sakhalinsk October 21, 2025

Forecast for October 21, 2025

the Earth's magnetosphere was expected to be calm (Kp = 4-)

Forecast for October 21, 2025

the Earth's magnetosphere was expected to be calm (Kp = 4-)

Forecast for three days from October 21, 2025

Geomagnetic index Kp forecast from October 21 to 23, 2025 for mid latitudes

Time zone — UTC+11 (Yuzhno-Sakhalinsk | geographic coordinates — 46.97 N 142.73 E)

Geomagnetic index Kp forecast for three days
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Probability of geomagnetic storms for three days from October 21, 2025

Estimated probability of geomagnetic storms and disturbances from October 21 to 23, 2025.

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

Oct 21, 2025 Probability of geomagnetic storms Oct 21, 2025
Oct 22, 2025 Probability of geomagnetic storms Oct 22, 2025
Oct 23, 2025 Probability of geomagnetic storms Oct 23, 2025

Forecast of Ap and F10.7 indices for three days from October 21, 2025

Estimated values of Ap and F10.7 indices from October 21 to 23, 2025 for time zone UTC+00

  Oct 21, 2025 Oct 22, 2025 Oct 23, 2025
Ap 10 8 5
F10.7 152 150 145

Geomagnetic storm forecast for a month from October 21, 2025

Forecast of the daily maximum value of geomagnetic index Kp from October 21 to November 20, 2025 (31 days).

Information is provided for mid latitudes (region — Yuzhno-Sakhalinsk | time zone UTC+11)

Geomagnetic index Kp forecast for the next month
PNG API: JSON | TXT