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How to Explore the Kp-Index Geomagnetic Storm Scale 3D Explorer
Open the Kp-Index Geomagnetic Storm Scale 3D Explorer, drag or pick a Kp value on the 0-9 slider, and watch the aurora ring, the outlined 0-9 grid cell, and a synthetic magnetometer-style trace all change together while NOAA's real G-scale label updates.
- Open https://freetoolonline.com/space-3d/kp-index-geomagnetic-storm-scale.html and wait for Earth, the illustrative field arcs, and the 0-9 grid to render.
- Drag the Kp slider (0-9) to pick a storm-severity level.
- Watch the aurora ring widen and change color, and the outlined cell move across the 0-9 grid.
- Watch the magnetometer-style trace canvas swing wider as Kp rises.
- Click "Jump to May 2024 Superstorm (G5)" to load the real G5 case with its Dst and Ap figures.
- Compare a quiet Kp of 2-3 against the G5 extreme case side by side.
Key published figures
| Figure | Value |
|---|---|
| Kp 5 | NOAA G1 (Minor) |
| Kp 9 | NOAA G5 (Extreme) |
| Scale origin | Julius Bartels, 1949; official Kp from 13 GFZ Potsdam ground stations |
| May 2024 "Gannon storm" | Kp=9 (G5), Dst -412 nT, Ap 271 - strongest since the October 2003 Halloween storms |
Next: the when guide or vs alternatives. Open the Kp-Index Geomagnetic Storm Scale 3D Explorer.
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