Geomagnetic Storms of 1932
40 geomagnetic storms of G1 or more began in 1932: 26 G1, 11 G2, 2 G3, 1 G4, 0 G5. The strongest began May 29, 1932 and reached Kp 8, rank 159 of every storm since 1932.
By month
Every storm of 1932
Times are UT, when the first block at Kp 5 or more began.
| Began (UTC) | Level | Peak Kp | Hours | Highest daily Ap |
|---|---|---|---|---|
| Jan 2, 21:00 | G1 Minor | 5 | 3 | 26 |
| Jan 27, 00:00 | G1 Minor | 5 | 3 | 25 |
| Jan 27, 15:00 | G1 Minor | 5 | 3 | 25 |
| Jan 28, 12:00 | G1 Minor | 5+ | 3 | 26 |
| Feb 3, 21:00 | G2 Moderate | 6- | 6 | 32 |
| Feb 23, 18:00 | G1 Minor | 5+ | 3 | 15 |
| Mar 2, 21:00 | G1 Minor | 5+ | 3 | 17 |
| Mar 5, 21:00 | G1 Minor | 5+ | 3 | 28 |
| Mar 7, 21:00 | G2 Moderate | 6- | 6 | 26 |
| Mar 9, 18:00 | G1 Minor | 5+ | 6 | 29 |
| Mar 10, 18:00 | G2 Moderate | 6 | 9 | 36 |
| Mar 18, 18:00 | G1 Minor | 5+ | 3 | 21 |
| Mar 28, 15:00 | G3 Strong | 7- | 6 | 38 |
| Mar 29, 15:00 | G2 Moderate | 6- | 42 | 44 |
| Apr 2, 00:00 | G2 Moderate | 6- | 6 | 36 |
| Apr 3, 18:00 | G1 Minor | 5 | 3 | 22 |
| Apr 4, 21:00 | G1 Minor | 5 | 9 | 24 |
| Apr 7, 00:00 | G1 Minor | 5+ | 27 | 38 |
| Apr 13, 15:00 | G1 Minor | 5+ | 9 | 24 |
| Apr 23, 09:00 | G1 Minor | 5 | 3 | 27 |
| May 2, 21:00 | G1 Minor | 5+ | 3 | 16 |
| May 16, 06:00 | G1 Minor | 5 | 3 | 18 |
| May 29, 12:00 | G4 Severe | 8 | 21 | 75 |
| Jul 6, 06:00 | G1 Minor | 5 | 3 | 25 |
| Jul 16, 12:00 | G2 Moderate | 6- | 3 | 21 |
| Aug 5, 09:00 | G1 Minor | 5+ | 3 | 15 |
| Aug 27, 21:00 | G3 Strong | 7 | 15 | 59 |
| Aug 29, 18:00 | G1 Minor | 5+ | 3 | 34 |
| Sep 6, 12:00 | G2 Moderate | 6- | 6 | 29 |
| Sep 8, 03:00 | G1 Minor | 5 | 3 | 19 |
| Sep 23, 18:00 | G1 Minor | 5+ | 3 | 26 |
| Sep 24, 15:00 | G2 Moderate | 6- | 27 | 43 |
| Oct 15, 12:00 | G1 Minor | 5+ | 6 | 32 |
| Oct 20, 21:00 | G2 Moderate | 6- | 9 | 25 |
| Oct 23, 15:00 | G1 Minor | 5 | 3 | 22 |
| Nov 1, 06:00 | G2 Moderate | 6- | 3 | 22 |
| Nov 16, 03:00 | G1 Minor | 5 | 3 | 35 |
| Nov 16, 21:00 | G1 Minor | 5 | 3 | 35 |
| Dec 14, 15:00 | G2 Moderate | 6- | 6 | 34 |
| Dec 16, 00:00 | G1 Minor | 5+ | 3 | 20 |
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.