Aurora & Space WeatherHome › Geomagnetic history › 1949
Geomagnetic storm on 14 Oct 1949 (G4)
Max Kp8-G4
Ap91No. 5 in 1949
Consecutive G1+ days4
Ap rank208since 1932
Kp by 3-hour slot (UTC)
4-
4+
5o
6+
6-
7+
8-
7o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 11 Oct 1949 | 4+ | 18 | – |
| 12 Oct 1949 | 3- | 8 | – |
| 13 Oct 1949 | 5o | 14 | G1 |
| 14 Oct 1949 | 8- | 91 | G4 |
| 15 Oct 1949 | 8+ | 156 | G4 |
| 16 Oct 1949 | 7o | 62 | G3 |
| 17 Oct 1949 | 4o | 16 | – |
Highest-Ap days of 1949
156
156
153
100
91
90
83
65
64
62
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 91: No. 208 of 34,615 days since 1932 by Ap.