Geomagnetic Storms of 2014
13 geomagnetic storms of G1 or more began in 2014: 9 G1, 4 G2, 0 G3, 0 G4, 0 G5. The strongest began February 19, 2014 and reached Kp 6+, rank 923 of every storm since 1932.
By month
Every storm of 2014
Times are UT, when the first block at Kp 5 or more began.
| Began (UTC) | Level | Peak Kp | Hours | Highest daily Ap |
|---|---|---|---|---|
| Feb 16, 00:00 | G1 Minor | 5 | 3 | 19 |
| Feb 19, 03:00 | G2 Moderate | 6+ | 12 | 43 |
| Feb 20, 03:00 | G2 Moderate | 6 | 9 | 37 |
| Feb 27, 18:00 | G1 Minor | 5+ | 6 | 20 |
| Apr 20, 12:00 | G1 Minor | 5 | 3 | 22 |
| May 23, 21:00 | G1 Minor | 5+ | 3 | 17 |
| Jun 8, 03:00 | G2 Moderate | 6+ | 9 | 39 |
| Aug 19, 21:00 | G1 Minor | 5+ | 3 | 15 |
| Sep 12, 00:00 | G1 Minor | 5+ | 3 | 37 |
| Sep 12, 15:00 | G2 Moderate | 6+ | 9 | 37 |
| Oct 14, 21:00 | G1 Minor | 5 | 3 | 18 |
| Oct 20, 15:00 | G1 Minor | 5 | 3 | 24 |
| Dec 22, 00:00 | G1 Minor | 5+ | 6 | 19 |
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 2026-09-25.