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Geomagnetic storm on 18 Oct 1984 (G3)

Max Kp7-G3

Ap43No. 26 in 1984

Consecutive G1+ days9

Ap rank1,353since 1932

Kp by 3-hour slot (UTC)

00–032-

03–064o

06–093o

09–125-

12–155-

15–185-

18–217-

21–246-

The days around it

Date	Max Kp	Ap	Level
15 Oct 1984	5-	14	G1
16 Oct 1984	4o	19	–
17 Oct 1984	2-	3	–
18 Oct 1984	7-	43	G3
19 Oct 1984	7-	75	G3
20 Oct 1984	7-	63	G3
21 Oct 1984	6o	47	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.

← 23 Sep 1984 19 Oct 1984 →

About this page

Max Kp 7-, Ap 43: No. 1,353 of 34,615 days since 1932 by Ap.