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Geomagnetic storm on 4 Apr 1984 (G4)

Max Kp8-G4

Ap84No. 4 in 1984

Consecutive G1+ days9

Ap rank266since 1932

Kp by 3-hour slot (UTC)

00–035+

03–065+

06–095o

09–124o

12–155-

15–187o

18–218-

21–247o

The days around it

Date	Max Kp	Ap	Level
1 Apr 1984	5o	34	G1
2 Apr 1984	6-	46	G2
3 Apr 1984	5+	42	G1
4 Apr 1984	8-	84	G4
5 Apr 1984	6+	57	G2
6 Apr 1984	4o	12	–
7 Apr 1984	6o	25	G2

Highest-Ap days of 1984

23 Sep 1984112

16 Nov 1984112

26 Apr 1984103

4 Apr 198484

1 Aug 198475

19 Oct 198475

5 Sep 198463

20 Oct 198463

13 Jul 198462

28 Mar 198460

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.

← 28 Mar 1984 9 Apr 1984 →

About this page

Max Kp 8-, Ap 84: No. 266 of 34,615 days since 1932 by Ap.