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Geomagnetic storm on 21 Nov 2003 (G3)

Max Kp7-G3

Ap42No. 29 in 2003

Consecutive G1+ days4

Ap rank1,470since 1932

Kp by 3-hour slot (UTC)

00–037-

03–066o

06–096o

09–124-

12–152o

15–183o

18–213-

21–243-

The days around it

Date	Max Kp	Ap	Level
18 Nov 2003	5o	26	G1
19 Nov 2003	3o	12	–
20 Nov 2003	9-	150	G5
21 Nov 2003	7-	42	G3
22 Nov 2003	6o	30	G2
23 Nov 2003	5o	22	G1
24 Nov 2003	4o	13	–

Highest-Ap days of 2003

29 Oct 2003204

30 Oct 2003191

20 Nov 2003150

31 Oct 2003116

29 May 2003109

18 Aug 2003108

17 Sep 200370

14 Oct 200366

11 Nov 200361

18 Jun 200360

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.

← 20 Nov 2003 22 Jan 2004 →

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Max Kp 7-, Ap 42: No. 1,470 of 34,615 days since 1932 by Ap.