Geomagnetic storm forecast for Charleston — February 21, 2026
Geomagnetic storm forecast for Charleston for Feb 21, 2026
geomagnetic storm was expected — level G1.0 (Kp = 5.00)
Geomagnetic storm forecast for 3 days
Geomagnetic index Kp forecast from Feb 21, 2026 to Feb 23, 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 21, 2026 to Feb 23, 2026.
Information is provided for mid latitudes for time zone UTC+00
21.02.2026
22.02.2026
23.02.2026
3-day forecast for Ap and F10.7 indices
Estimated values of Ap and F10.7 indices from Feb 21, 2026 to Feb 23, 2026 for time zone UTC+00
| 21.02.2026 | 22.02.2026 | 23.02.2026 | |
|---|---|---|---|
| Ap | 5 | 5 | 8 |
| F10.7 | 105 | 120 | 130 |
Geomagnetic storm forecast for a month
Forecast of the daily maximal value of geomagnetic index Kp for 1 month (31 days) from Feb 21, 2026 to Feb 23, 2026
Information is provided for mid latitudes (time zone UTC-05)
This chart in PNG format — high resolution
API data: JSON or TXT