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Geomagnetic storm on 23 Nov 1997 (G3)

Max Kp7+G3

Ap59No. 1 in 1997

Consecutive G1+ days2

Ap rank643since 1932

Kp by 3-hour slot (UTC)

00–037+

03–067o

06–095-

09–125+

12–155-

15–182o

18–213o

21–244o

The days around it

Date	Max Kp	Ap	Level
20 Nov 1997	1+	2	–
21 Nov 1997	1+	2	–
22 Nov 1997	6o	44	G2
23 Nov 1997	7+	59	G3
24 Nov 1997	3+	10	–
25 Nov 1997	1o	2	–
26 Nov 1997	1+	3	–

Highest-Ap days of 1997

23 Nov 199759

15 May 199756

1 Oct 199746

7 Nov 199744

22 Nov 199744

28 Feb 199737

11 Apr 199737

9 Jun 199733

10 Jan 199732

27 Feb 199730

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.

← 7 Nov 1997 18 Feb 1998 →

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Max Kp 7+, Ap 59: No. 643 of 34,615 days since 1932 by Ap.