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Geomagnetic storm on 14 Jul 1991 (G3)
Max Kp7-G3
Ap75No. 15 in 1991
Consecutive G1+ days7
Ap rank355since 1932
Kp by 3-hour slot (UTC)
7-
6+
7-
6o
6+
4+
5+
4-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 11 Jul 1991 | 5o | 20 | G1 |
| 12 Jul 1991 | 6- | 28 | G2 |
| 13 Jul 1991 | 9- | 134 | G5 |
| 14 Jul 1991 | 7- | 75 | G3 |
| 15 Jul 1991 | 4+ | 12 | – |
| 16 Jul 1991 | 5+ | 22 | G1 |
| 17 Jul 1991 | 6- | 41 | G2 |
Highest-Ap days of 1991
196
161
134
130
128
120
119
119
117
114
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 75: No. 355 of 34,615 days since 1932 by Ap.