GEO: QUIET
8
A/B (quiet)
Earth is currently entering a period of significant geomagnetic disturbance as the magnetosphere prepares for an incoming solar wind interaction. Forecasts indicate storm levels rising to G3 (Strong) intensity over the next 24 hours.
While current planetary activity remains quiet at Kp 1.7, the space environment is poised for a rapid shift. Satellite and ground-based sensors indicate a clear transition toward elevated geomagnetic indices. Solar flare activity remains subdued, with only low-level C-class events recorded, indicating that the upcoming storm is likely driven by high-speed solar wind stream arrival rather than a recent X-ray flare.
The forecasted Kp 7 (G3) index is the primary concern, as it denotes a strong geomagnetic storm capable of inducing voltage irregularities in power grids and causing intermittent disruptions to satellite navigation and radio communication.
Geomagnetic activity is expected to escalate rapidly, reaching Kp 6 (G2) by 15:00 UTC and peaking at Kp 7 (G3) by the early hours of June 5. Observers should anticipate sustained, elevated geomagnetic conditions throughout the next 24-hour window as the geomagnetic field responds to the increased solar wind pressure.
High potential for aurora displays at mid-latitudes, including the northern United States and parts of Central Europe, as the Kp index climbs to 7. Observers in these regions should monitor skies closely starting this evening, as dark, clear conditions will be optimal for viewing the expected southward expansion of the auroral oval.
| Region | Location | Class | Flares C/M/X |
|---|---|---|---|
| AR4446 | S14W88 | Cso/B | 1/0/0 |
| AR4455 | N15W34 | Dki/BG | 1/0/0 |
| AR4457 | S09W71 | Bxo/B | 1/0/0 |
| AR4458 | S05W21 | Dai/B | 1/0/0 |
| AR4459 | N14E22 | Dai/BG | 0/0/0 |
| AR4460 | S22W88 | Dso/B | 0/0/0 |
| AR4461 | S21E46 | Cri/B | 1/0/0 |
| AR4462 | N17E46 | Dao/B | 0/0/0 |
The transition of the Kp index from its current quiet state to G2-G3 levels between 18:00 and 00:00 UTC, which will signal the onset of the expected geomagnetic storm.