1984Year 9 of solar cycle 21

Geomagnetic storms of 1984

1984 had 88 geomagnetic storms reaching Kp 5 or more, 11 of them strong (G3 or above); the strongest reached Kp 8. Every storm with its dates, and the Kp of every day of the year.

88Every storm

11G3–G5

Kp 8Peak Kp

139days at Kp 5 or more

The year day by day

the day's highest Kp

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Kp 0–3Kp 4Kp 5 · G1Kp 6 · G2Kp 7 · G3Kp 8 · G4Kp 9 · G5

Every storm · 1984

6Jan

6Feb

9Mar

8Apr

8May

6Jun

7Jul

6Aug

4Sep

10Oct

8Nov

10Dec

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
2 January 1984	G1	Kp 5−	3	39
4 January 1984	G2	Kp 6	3	80
5 January 1984	G1	Kp 5+	6	56
29 January 1984	G1	Kp 5	3	48
30 January 1984	G1	Kp 5−	9	39
31 January 1984	G1	Kp 5	3	48
2 – 3 February 1984	G2	Kp 6−	9	67
4 February 1984	G2	Kp 6	18	80
10 – 11 February 1984	G2	Kp 6	9	80
12 – 15 February 1984	G2	Kp 6	33	80
27 February 1984	G2	Kp 6	6	80
27 February 1984	G1	Kp 5−	3	39
1 – 3 March 1984	G2	Kp 6+	30	94
6 – 7 March 1984	G2	Kp 6−	15	67
8 March 1984	G1	Kp 5+	6	56
10 March 1984	G1	Kp 5−	3	39
13 March 1984	G1	Kp 5+	3	56
18 March 1984	G1	Kp 5	3	48
25 March 1984	G1	Kp 5−	12	39
28 – 30 March 1984	G3	Kp 7+	36	154
31 March – 1 April 1984	G1	Kp 5+	15	56
2 – 5 April 1984	G4	Kp 8−	72	179
7 April 1984	G2	Kp 6	3	80
8 – 9 April 1984	G3	Kp 7+	21	154
14 April 1984	G1	Kp 5+	3	56
20 April 1984	G1	Kp 5	6	48
25 – 27 April 1984	G4	Kp 8−	39	179
29 April 1984	G1	Kp 5−	3	39
30 April 1984	G1	Kp 5−	3	39
5 May 1984	G2	Kp 6−	6	67
9 – 10 May 1984	G1	Kp 5+	12	56
17 May 1984	G2	Kp 6	6	80
18 – 19 May 1984	G1	Kp 5	9	48
20 – 23 May 1984	G2	Kp 6	36	80
23 May 1984	G1	Kp 5−	3	39
24 May 1984	G1	Kp 5+	6	56
25 May 1984	G1	Kp 5−	3	39
3 – 4 June 1984	G2	Kp 6+	9	94
9 June 1984	G1	Kp 5−	3	39
15 – 16 June 1984	G3	Kp 7−	21	111
18 June 1984	G2	Kp 6−	6	67
19 – 20 June 1984	G1	Kp 5−	6	39
23 – 24 June 1984	G2	Kp 6−	9	67
1 July 1984	G1	Kp 5−	3	39
11 July 1984	G1	Kp 5−	3	39
13 – 14 July 1984	G3	Kp 7	30	132
15 July 1984	G1	Kp 5−	3	39
16 – 17 July 1984	G2	Kp 6	18	80
29 July 1984	G1	Kp 5−	3	39
31 July – 2 August 1984	G3	Kp 7	33	132
9 August 1984	G1	Kp 5	3	48
14 – 15 August 1984	G1	Kp 5−	15	39
19 August 1984	G1	Kp 5−	3	39
24 August 1984	G1	Kp 5−	3	39
25 August 1984	G1	Kp 5	3	48
27 – 29 August 1984	G2	Kp 6	30	80
4 – 5 September 1984	G4	Kp 8−	33	179
9 – 10 September 1984	G1	Kp 5	6	48
19 September 1984	G2	Kp 6	9	80
22 – 26 September 1984	G3	Kp 7	78	132
3 October 1984	G1	Kp 5+	3	56
6 – 8 October 1984	G2	Kp 6	15	80
10 October 1984	G1	Kp 5+	3	56
11 – 12 October 1984	G1	Kp 5+	12	56
12 October 1984	G1	Kp 5+	6	56
13 October 1984	G1	Kp 5−	3	39
15 October 1984	G1	Kp 5−	3	39
18 – 23 October 1984	G3	Kp 7−	96	111
24 October 1984	G1	Kp 5+	18	56
25 – 26 October 1984	G2	Kp 6−	6	67
1 November 1984	G2	Kp 6−	6	67
7 November 1984	G1	Kp 5	6	48
10 November 1984	G1	Kp 5	3	48
11 November 1984	G1	Kp 5	3	48
15 – 17 November 1984	G4	Kp 8	48	207
18 November 1984	G1	Kp 5−	3	39
29 November 1984	G1	Kp 5	3	48
30 November 1984	G2	Kp 6	6	80
2 December 1984	G1	Kp 5	6	48
4 December 1984	G1	Kp 5	9	48
11 – 12 December 1984	G1	Kp 5+	9	56
13 December 1984	G2	Kp 6	6	80
15 December 1984	G2	Kp 6−	6	67
16 December 1984	G1	Kp 5+	6	56
17 December 1984	G1	Kp 5−	3	39
26 December 1984	G1	Kp 5−	3	39
27 – 29 December 1984	G1	Kp 5+	18	56
31 December 1984	G1	Kp 5−	3	39