Geomagnetic storm forecast for Charleston — February 20, 2026
Geomagnetic storm forecast for Charleston for Feb 20, 2026
geomagnetic disturbances were expected (Kp = 4.33)
Geomagnetic storm forecast for 3 days
Geomagnetic index Kp forecast from Feb 20, 2026 to Feb 22, 2026 for mid latitudes
Location — Charleston (geographic coordinates — 38.35 N -81.63 W | time zone UTC-05)
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 Feb 20, 2026 to Feb 22, 2026.
Information is provided for mid latitudes for time zone UTC+00
20.02.2026
21.02.2026
22.02.2026
3-day forecast for Ap and F10.7 indices
Estimated values of Ap and F10.7 indices from Feb 20, 2026 to Feb 22, 2026 for time zone UTC+00
| 20.02.2026 | 21.02.2026 | 22.02.2026 | |
|---|---|---|---|
| Ap | 5 | 5 | 5 |
| F10.7 | 110 | 105 | 120 |
Geomagnetic storm forecast for a month
Forecast of the daily maximal value of geomagnetic index Kp for 1 month (31 days) from Feb 20, 2026 to Feb 22, 2026
Information is provided for mid latitudes (time zone UTC-05)
This chart in PNG format — high resolution
API data: JSON or TXT