Aurora & Space WeatherHome › Geomagnetic history › 2002
Geomagnetic storm on 4 Oct 2002 (G3)
Max Kp7+G3
Ap64No. 4 in 2002
Consecutive G1+ days6
Ap rank520since 1932
Kp by 3-hour slot (UTC)
7+
6-
6o
5-
4o
4-
6+
4+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Oct 2002 | 7+ | 67 | G3 |
| 2 Oct 2002 | 7+ | 53 | G3 |
| 3 Oct 2002 | 6+ | 45 | G2 |
| 4 Oct 2002 | 7+ | 64 | G3 |
| 5 Oct 2002 | 5+ | 28 | G1 |
| 6 Oct 2002 | 4o | 15 | – |
| 7 Oct 2002 | 6- | 48 | G2 |
Highest-Ap days of 2002
78
70
67
64
63
63
62
62
57
53
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 7+, Ap 64: No. 520 of 34,615 days since 1932 by Ap.