Aurora & Space WeatherHome › Geomagnetic history › 1949
Geomagnetic storm on 4 Aug 1949 (G3)
Max Kp7-G3
Ap64No. 9 in 1949
Consecutive G1+ days3
Ap rank496since 1932
Kp by 3-hour slot (UTC)
7-
7-
6+
4-
5o
4o
6-
4+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Aug 1949 | 2+ | 5 | – |
| 2 Aug 1949 | 5o | 20 | G1 |
| 3 Aug 1949 | 7o | 58 | G3 |
| 4 Aug 1949 | 7- | 64 | G3 |
| 5 Aug 1949 | 4o | 19 | – |
| 6 Aug 1949 | 4- | 9 | – |
| 7 Aug 1949 | 4+ | 12 | – |
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 7-, Ap 64: No. 496 of 34,615 days since 1932 by Ap.