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Geomagnetic storm on 27 Mar 1978 (G3)
Max Kp7-G3
Ap70No. 11 in 1978
Consecutive G1+ days2
Ap rank416since 1932
Kp by 3-hour slot (UTC)
7-
6+
5+
5-
5o
6o
6o
5+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 24 Mar 1978 | 3+ | 6 | – |
| 25 Mar 1978 | 2- | 3 | – |
| 26 Mar 1978 | 7- | 49 | G3 |
| 27 Mar 1978 | 7- | 70 | G3 |
| 28 Mar 1978 | 4o | 17 | – |
| 29 Mar 1978 | 4- | 14 | – |
| 30 Mar 1978 | 4- | 16 | – |
Highest-Ap days of 1978
124
109
96
94
89
88
85
83
82
80
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 70: No. 416 of 34,615 days since 1932 by Ap.