2013-03-17 · historical storm
Historical snapshot — data recorded on 2026-08-12, not live
Space weather — 2013-03-17
Daily Statistics Brief
On 2013-03-17, the planetary Kp index peaked at 6.0 (G3 strong). solar wind speed reached 630 km/s and Bz dipped to -12 nT. Auroral hemispheric power was 230 GW. The Dst index reached -78 nT.
Aurora Oval — Peak Kp 6.0
Active storm — aurora oval expanded equatorward.
Auroral power: 230 GW
Kp max6.0Kp now6.0Wind630 km/sBz-12 nTAurora230 GWDst-78 nTFlare—NEAs0