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Geomagnetic storm on 7 Jan 2005 (G4)
Max Kp8-G4
Ap40No. 19 in 2005
Consecutive G1+ days2
Ap rank1,623since 1932
Kp by 3-hour slot (UTC)
0+
0o
0o
2-
5o
5+
4o
8-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Jan 2005 | 5- | 26 | G1 |
| 5 Jan 2005 | 4o | 17 | – |
| 6 Jan 2005 | 3- | 4 | – |
| 7 Jan 2005 | 8- | 40 | G4 |
| 8 Jan 2005 | 7o | 36 | G3 |
| 9 Jan 2005 | 3o | 4 | – |
| 10 Jan 2005 | 3- | 6 | – |
Highest-Ap days of 2005
102
101
91
90
87
84
75
66
60
58
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 8-, Ap 40: No. 1,623 of 34,615 days since 1932 by Ap.