Aurora & Space WeatherHome › Geomagnetic history › 1951
Geomagnetic storm on 17 Oct 1951 (G3)
Max Kp7oG3
Ap91No. 4 in 1951
Consecutive G1+ days5
Ap rank209since 1932
Kp by 3-hour slot (UTC)
6o
6+
6+
6o
6-
7o
7-
6-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 14 Oct 1951 | 5+ | 24 | G1 |
| 15 Oct 1951 | 4o | 12 | – |
| 16 Oct 1951 | 5- | 22 | G1 |
| 17 Oct 1951 | 7o | 91 | G3 |
| 18 Oct 1951 | 6o | 47 | G2 |
| 19 Oct 1951 | 6o | 50 | G2 |
| 20 Oct 1951 | 6o | 26 | G2 |
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 91: No. 209 of 34,615 days since 1932 by Ap.