Home › Geomagnetic history › 1959
Geomagnetic storm on 22 Sep 1959 (G3)
Max Kp7oG3
Ap73No. 15 in 1959
Consecutive G1+ days12
Ap rank378since 1932
Kp by 3-hour slot (UTC)
6+
7-
7o
6-
6-
5o
5+
2+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 19 Sep 1959 | 6o | 36 | G2 |
| 20 Sep 1959 | 6+ | 61 | G2 |
| 21 Sep 1959 | 7o | 86 | G3 |
| 22 Sep 1959 | 7o | 73 | G3 |
| 23 Sep 1959 | 5o | 24 | G1 |
| 24 Sep 1959 | 5o | 24 | G1 |
| 25 Sep 1959 | 6- | 37 | G2 |
Highest-Ap days of 1959
236
178
130
119
114
110
108
103
98
87
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
Max Kp 7o, Ap 73: No. 378 of 34,615 days since 1932 by Ap.