Aurora & Space WeatherHome › Geomagnetic history › 2003
Geomagnetic storm on 10 May 2003 (G3)
Max Kp7-G3
Ap42No. 27 in 2003
Consecutive G1+ days6
Ap rank1,468since 1932
Kp by 3-hour slot (UTC)
7-
6+
5+
3+
1+
3+
4-
3-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 7 May 2003 | 6- | 38 | G2 |
| 8 May 2003 | 6- | 39 | G2 |
| 9 May 2003 | 5+ | 31 | G1 |
| 10 May 2003 | 7- | 42 | G3 |
| 11 May 2003 | 6- | 31 | G2 |
| 12 May 2003 | 4+ | 20 | – |
| 13 May 2003 | 5- | 24 | G1 |
Highest-Ap days of 2003
204
191
150
116
109
108
70
66
61
60
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 42: No. 1,468 of 34,615 days since 1932 by Ap.