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Geomagnetic storm on 11 Sep 1951 (G3)
Max Kp7oG3
Ap40No. 55 in 1951
Consecutive G1+ days20
Ap rank1,568since 1932
Kp by 3-hour slot (UTC)
4-
3-
4+
3-
4o
4+
5o
7o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 8 Sep 1951 | 3o | 10 | – |
| 9 Sep 1951 | 4+ | 19 | – |
| 10 Sep 1951 | 5+ | 33 | G1 |
| 11 Sep 1951 | 7o | 40 | G3 |
| 12 Sep 1951 | 5+ | 34 | G1 |
| 13 Sep 1951 | 6+ | 47 | G2 |
| 14 Sep 1951 | 5o | 28 | G1 |
Highest-Ap days of 1951
116
106
98
91
88
85
82
82
73
68
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 40: No. 1,568 of 34,615 days since 1932 by Ap.