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Geomagnetic storm on 29 Dec 1989 (G3)

Max Kp7-G3

Ap50No. 21 in 1989

Consecutive G1+ days3

Ap rank929since 1932

Kp by 3-hour slot (UTC)

00–033o

03–062o

06–093+

09–125o

12–154o

15–186-

18–217-

21–247-

The days around it

Date	Max Kp	Ap	Level
26 Dec 1989	5o	22	G1
27 Dec 1989	4+	25	–
28 Dec 1989	3+	10	–
29 Dec 1989	7-	50	G3
30 Dec 1989	5o	30	G1
31 Dec 1989	6-	35	G2
1 Jan 1990	4o	16	–

Highest-Ap days of 1989

13 Mar 1989246

14 Mar 1989158

21 Oct 1989146

20 Oct 1989112

17 Nov 1989109

10 Jun 198978

15 Aug 198977

26 Apr 198976

29 Mar 198971

19 Sep 198970

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.

← 18 Nov 1989 15 Feb 1990 →

About this page

Max Kp 7-, Ap 50: No. 929 of 34,615 days since 1932 by Ap.