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Geomagnetic storm on 13 Jul 1961 (G4)
Max Kp8+G4
Ap102No. 4 in 1961
Consecutive G1+ days9
Ap rank158since 1932
Kp by 3-hour slot (UTC)
0+
1o
1-
6+
8o
8+
8-
6+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 10 Jul 1961 | 4o | 14 | – |
| 11 Jul 1961 | 3o | 9 | – |
| 12 Jul 1961 | 3- | 5 | – |
| 13 Jul 1961 | 8+ | 102 | G4 |
| 14 Jul 1961 | 8+ | 98 | G4 |
| 15 Jul 1961 | 5- | 25 | G1 |
| 16 Jul 1961 | 6- | 23 | G2 |
Highest-Ap days of 1961
128
114
114
102
98
93
66
61
58
58
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 8+, Ap 102: No. 158 of 34,615 days since 1932 by Ap.