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Geomagnetic storm on 5 Mar 1981 (G3)
Max Kp7+G3
Ap81No. 4 in 1981
Consecutive G1+ days1
Ap rank296since 1932
Kp by 3-hour slot (UTC)
1+
5+
6-
7-
7o
7+
6+
4+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Mar 1981 | 5o | 25 | G1 |
| 3 Mar 1981 | 3o | 8 | – |
| 4 Mar 1981 | 4o | 12 | – |
| 5 Mar 1981 | 7+ | 81 | G3 |
| 6 Mar 1981 | 3+ | 11 | – |
| 7 Mar 1981 | 5- | 20 | G1 |
| 8 Mar 1981 | 4- | 10 | – |
Highest-Ap days of 1981
134
121
96
81
78
73
72
67
62
61
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 81: No. 296 of 34,615 days since 1932 by Ap.