Geomagnetic storm forecast for Thunder bay — April 28, 2026
Geomagnetic storm forecast for Thunder bay for Apr 28, 2026
the Earth's magnetosphere was expected to be calm (Kp = 2.00)
Geomagnetic storm forecast for 3 days
Geomagnetic index Kp forecast from Apr 28, 2026 to Apr 30, 2026 for mid latitudes
Location — Thunder bay (geographic coordinates — 48.42 N -89.28 W | time zone UTC-04 - summer time)
This chart in PNG format — high resolution
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Probability of geomagnetic storms for 3 days
Estimated probability for Earth's magnetosphere state from Apr 28, 2026 to Apr 30, 2026.
Information is provided for mid latitudes for time zone UTC+00
28.04.2026
29.04.2026
30.04.2026
3-day forecast for Ap and F10.7 indices
Estimated values of Ap and F10.7 indices from Apr 28, 2026 to Apr 30, 2026 for time zone UTC+00
| 28.04.2026 | 29.04.2026 | 30.04.2026 | |
|---|---|---|---|
| Ap | 5 | 20 | 18 |
| F10.7 | 140 | 140 | 135 |
Geomagnetic storm forecast for a month
Forecast of the daily maximal value of geomagnetic index Kp for 1 month (31 days) from Apr 28, 2026 to Apr 30, 2026
Information is provided for mid latitudes (time zone UTC-04)
This chart in PNG format — high resolution
API data: JSON or TXT