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Geomagnetic activity in November 1981
Mean Ap14.6No. 382 of 1138
G1+ days9
G3+ days1
Max Ap3912 Nov 1981
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 7 Nov 1981 | 5- | 19 | G1 |
| 8 Nov 1981 | 5o | 27 | G1 |
| 11 Nov 1981 | 6o | 31 | G2 |
| 12 Nov 1981 | 7- | 39 | G3 |
| 14 Nov 1981 | 5o | 27 | G1 |
| 15 Nov 1981 | 5- | 20 | G1 |
| 17 Nov 1981 | 5o | 32 | G1 |
| 18 Nov 1981 | 5- | 26 | G1 |
| 25 Nov 1981 | 5o | 27 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 1980 | 13.4 | 5 | 0 |
| November 1981 | 14.6 | 9 | 1 |
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 14.6 in November 1981, No. 382 of 1138 months since 1932; 9 days reached G1 or higher.