Geomagnetic activity forecast in Hartford — Oct 21, 2025
Geomagnetic storm forecast in Hartford for Oct 21, 2025
the Earth's magnetosphere was expected to be calm (Kp = 3.00)
Geomagnetic storm forecast for 3 days
Geomagnetic index Kp forecast from Oct 21, 2025 to Oct 23, 2025 for mid latitudes
Location — Hartford (geographic coordinates — 41.77 N -72.68 W | time zone UTC-04 - summer time)
This chart in PNG format — high resolution
API data: JSON or TXT
Probability of geomagnetic storms for 3 days
Estimeted probability for Earth's magnetosphere state from Oct 21, 2025 to Oct 23, 2025.
Information is provided for mid latitudes for time zone UTC+00
21.10.2025
22.10.2025
23.10.2025
3-day forecast for Ap and F10.7 indices
Estimated values of Ap and F10.7 indices from Oct 21, 2025 to Oct 23, 2025 for time zone UTC+00
| 21.10.2025 | 22.10.2025 | 23.10.2025 | |
|---|---|---|---|
| Ap | 10 | 8 | 5 |
| F10.7 | 152 | 150 | 145 |
Geomagnetic storm forecast for a month
Forecast of the daily maximal value of geomagnetic index Kp for 1 month (31 days) from Oct 21, 2025 to Nov 20, 2025
Information is provided for mid latitudes (time zone UTC-04)
This chart in PNG format — high resolution
API data: JSON or TXT