Geomagnetic Storms of 2000
52 geomagnetic storms of G1 or more began in 2000: 21 G1, 18 G2, 7 G3, 4 G4, 2 G5. The strongest began July 15, 2000 and reached Kp 9, rank 22 of every storm since 1932.
By month
Every storm of 2000
Times are UT, when the first block at Kp 5 or more began.
| Began (UTC) | Level | Peak Kp | Hours | Highest daily Ap |
|---|---|---|---|---|
| Jan 11, 18:00 | G1 Minor | 5+ | 6 | 24 |
| Jan 22, 18:00 | G2 Moderate | 6+ | 12 | 29 |
| Jan 28, 00:00 | G1 Minor | 5 | 6 | 32 |
| Feb 6, 03:00 | G1 Minor | 5 | 3 | 34 |
| Feb 6, 21:00 | G1 Minor | 5+ | 6 | 34 |
| Feb 12, 00:00 | G3 Strong | 7- | 15 | 60 |
| Feb 14, 12:00 | G1 Minor | 5+ | 3 | 33 |
| Apr 4, 00:00 | G1 Minor | 5 | 3 | 22 |
| Apr 6, 15:00 | G5 Extreme | 9- | 18 | 83 |
| Apr 24, 12:00 | G1 Minor | 5+ | 3 | 21 |
| May 3, 18:00 | G1 Minor | 5 | 3 | 17 |
| May 17, 00:00 | G2 Moderate | 6 | 6 | 28 |
| May 23, 18:00 | G4 Severe | 8 | 27 | 93 |
| May 29, 18:00 | G1 Minor | 5 | 3 | 24 |
| Jun 6, 15:00 | G1 Minor | 5 | 3 | 15 |
| Jun 8, 09:00 | G3 Strong | 7 | 15 | 64 |
| Jun 11, 15:00 | G1 Minor | 5 | 3 | 25 |
| Jun 14, 18:00 | G2 Moderate | 6- | 9 | 29 |
| Jun 23, 12:00 | G1 Minor | 5+ | 9 | 27 |
| Jun 26, 09:00 | G2 Moderate | 6 | 12 | 40 |
| Jul 11, 12:00 | G1 Minor | 5+ | 12 | 34 |
| Jul 13, 09:00 | G3 Strong | 7 | 9 | 43 |
| Jul 14, 15:00 | G3 Strong | 7+ | 6 | 51 |
| Jul 15, 12:00 | G5 Extreme | 9 | 18 | 164 |
| Jul 20, 03:00 | G2 Moderate | 6 | 9 | 37 |
| Jul 23, 18:00 | G2 Moderate | 6 | 3 | 23 |
| Jul 28, 12:00 | G2 Moderate | 6- | 6 | 32 |
| Jul 29, 09:00 | G2 Moderate | 6- | 3 | 27 |
| Jul 31, 18:00 | G1 Minor | 5+ | 6 | 21 |
| Aug 5, 06:00 | G1 Minor | 5 | 3 | 25 |
| Aug 10, 21:00 | G4 Severe | 8- | 57 | 123 |
| Aug 28, 15:00 | G2 Moderate | 6- | 18 | 35 |
| Sep 4, 18:00 | G2 Moderate | 6- | 3 | 18 |
| Sep 15, 21:00 | G1 Minor | 5 | 3 | 12 |
| Sep 16, 21:00 | G2 Moderate | 6+ | 3 | 29 |
| Sep 17, 18:00 | G4 Severe | 8+ | 24 | 71 |
| Sep 19, 09:00 | G2 Moderate | 6 | 6 | 30 |
| Sep 24, 18:00 | G1 Minor | 5 | 3 | 13 |
| Sep 30, 06:00 | G2 Moderate | 6+ | 18 | 51 |
| Oct 3, 06:00 | G1 Minor | 5+ | 9 | 30 |
| Oct 4, 06:00 | G4 Severe | 8- | 42 | 117 |
| Oct 13, 00:00 | G3 Strong | 7- | 6 | 36 |
| Oct 14, 06:00 | G2 Moderate | 6- | 18 | 45 |
| Oct 28, 21:00 | G2 Moderate | 6 | 9 | 34 |
| Oct 30, 00:00 | G1 Minor | 5 | 3 | 15 |
| Nov 4, 03:00 | G1 Minor | 5 | 3 | 26 |
| Nov 6, 09:00 | G3 Strong | 7 | 27 | 55 |
| Nov 10, 06:00 | G2 Moderate | 6+ | 9 | 42 |
| Nov 26, 18:00 | G2 Moderate | 6+ | 15 | 45 |
| Nov 28, 06:00 | G1 Minor | 5 | 3 | 31 |
| Nov 29, 00:00 | G3 Strong | 7- | 15 | 56 |
| Dec 23, 03:00 | G2 Moderate | 6- | 3 | 21 |
More
Sources
Kp and ap from GFZ Helmholtz Centre for Geosciences, Geomagnetic Observatory Niemegk, licensed CC BY 4.0: Matzka, J., Stolle, C., Yamazaki, Y., Bronkalla, O. and Morschhauser, A., 2021, The geomagnetic Kp index and derived indices of geomagnetic activity, Space Weather, doi:10.1029/2020SW002641; data doi:10.5880/Kp.0001. Storms, levels and aurora reach worked out by WeatherOverTime from those values and NOAA’s space weather scales. Definitive through August 31, 2026; later values are preliminary. Rebuilt 2026-09-24.