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Geomagnetic storm forecast for Helsinki — September 16, 2025

Home Geomagnetic storm forecast Helsinki September 16, 2025

Geomagnetic storm forecast for Helsinki for Sep 16, 2025

geomagnetic storm was expected — level G1.3 (Kp = 5.33)

Geomagnetic storm forecast for 3 days

Geomagnetic index Kp forecast from Sep 16, 2025 to Sep 18, 2025 for mid latitudes

Location — Helsinki (geographic coordinates — 60.18 N 24.93 E | time zone UTC+03 - summer time)

Kp forecast
This chart in PNG format — high resolution API data: JSON or TXT

Probability of geomagnetic storms for 3 days

Estimated probability for Earth's magnetosphere state from Sep 16, 2025 to Sep 18, 2025.

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

16.09.2025
Probability 16.09.2025
17.09.2025
Probability 17.09.2025
18.09.2025
Probability 18.09.2025

3-day forecast for Ap and F10.7 indices

Estimated values of Ap and F10.7 indices from Sep 16, 2025 to Sep 18, 2025 for time zone UTC+00

  16.09.202517.09.202518.09.2025
Ap 15105
F10.7 135125130

Geomagnetic storm forecast for a month

Forecast of the daily maximal value of geomagnetic index Kp for 1 month (31 days) from Sep 16, 2025 to Sep 18, 2025

Information is provided for mid latitudes (time zone UTC+03)

Kp long forecast
This chart in PNG format — high resolution API data: JSON or TXT