Geomagnetic storm forecast for Hooper Bay — December 18, 2025
Geomagnetic storm forecast for Hooper Bay for Dec 18, 2025
geomagnetic disturbances were expected (Kp = 4.67)
Geomagnetic storm forecast for 3 days
Geomagnetic index Kp forecast from Dec 18, 2025 to Dec 20, 2025 for mid latitudes
Location — Hooper Bay (geographic coordinates — 61.52 N -166.08 W | time zone UTC-09)
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 Dec 18, 2025 to Dec 20, 2025.
Information is provided for mid latitudes for time zone UTC+00
18.12.2025
19.12.2025
20.12.2025
3-day forecast for Ap and F10.7 indices
Estimated values of Ap and F10.7 indices from Dec 18, 2025 to Dec 20, 2025 for time zone UTC+00
| 18.12.2025 | 19.12.2025 | 20.12.2025 | |
|---|---|---|---|
| Ap | 15 | 12 | 10 |
| F10.7 | 120 | 115 | 115 |
Geomagnetic storm forecast for a month
Forecast of the daily maximal value of geomagnetic index Kp for 1 month (31 days) from Dec 18, 2025 to Dec 20, 2025
Information is provided for mid latitudes (time zone UTC-09)
This chart in PNG format — high resolution
API data: JSON or TXT