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Geomagnetic activity in November 1998
Mean Ap16.1No. 290 of 1138
G1+ days5
G3+ days2
Max Ap759 Nov 1998
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 7 Nov 1998 | 5o | 26 | G1 |
| 8 Nov 1998 | 8- | 66 | G4 |
| 9 Nov 1998 | 7- | 75 | G3 |
| 13 Nov 1998 | 6o | 64 | G2 |
| 14 Nov 1998 | 6- | 41 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 1997 | 10.5 | 4 | 2 |
| November 1998 | 16.1 | 5 | 2 |
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
Mean Ap 16.1 in November 1998, No. 290 of 1138 months since 1932; 5 days reached G1 or higher.