1938Year 5 of solar cycle 17

Geomagnetic storms of 1938

1938 had 65 geomagnetic storms reaching Kp 5 or more, 14 of them strong (G3 or above); the strongest reached Kp 9. Every storm with its dates, and the Kp of every day of the year.

65Every storm

14G3–G5

Kp 9Peak Kp

95days 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 · 1938

11Jan

5Feb

4Mar

6Apr

6May

3Jun

8Jul

6Aug

4Sep

4Oct

3Nov

5Dec

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
4 January 1938	G1	Kp 5+	6	56
6 January 1938	G1	Kp 5−	3	39
7 – 8 January 1938	G1	Kp 5+	9	56
9 January 1938	G1	Kp 5−	3	39
12 – 13 January 1938	G2	Kp 6−	12	67
16 – 18 January 1938	G4	Kp 8+	39	236
19 January 1938	G1	Kp 5	3	48
20 – 22 January 1938	G4	Kp 8+	39	236
25 – 26 January 1938	G4	Kp 9−	24	300
29 January 1938	G1	Kp 5−	3	39
31 January 1938	G2	Kp 6	6	80
6 February 1938	G3	Kp 7−	12	111
7 February 1938	G1	Kp 5	3	48
8 – 10 February 1938	G2	Kp 6+	21	94
11 February 1938	G2	Kp 6−	6	67
14 February 1938	G2	Kp 6−	12	67
1 March 1938	G1	Kp 5	3	48
5 – 6 March 1938	G2	Kp 6−	15	67
22 – 24 March 1938	G2	Kp 6+	45	94
26 March 1938	G2	Kp 6+	3	94
6 April 1938	G1	Kp 5+	3	56
7 April 1938	G1	Kp 5−	3	39
11 April 1938	G1	Kp 5−	3	39
13 – 15 April 1938	G3	Kp 7	27	132
16 April 1938	G5	Kp 9	18	400
23 April 1938	G2	Kp 6−	18	67
4 May 1938	G3	Kp 7	9	132
11 – 13 May 1938	G4	Kp 9−	30	300
14 – 15 May 1938	G2	Kp 6+	15	94
24 May 1938	G1	Kp 5−	3	39
28 May 1938	G1	Kp 5−	3	39
29 May 1938	G2	Kp 6	9	80
2 June 1938	G1	Kp 5	3	48
8 June 1938	G1	Kp 5−	9	39
12 – 13 June 1938	G1	Kp 5+	12	56
1 July 1938	G1	Kp 5−	3	39
4 July 1938	G2	Kp 6	12	80
5 July 1938	G1	Kp 5−	3	39
10 July 1938	G1	Kp 5−	3	39
10 July 1938	G1	Kp 5+	6	56
13 – 14 July 1938	G1	Kp 5+	6	56
15 – 16 July 1938	G3	Kp 7	24	132
30 July 1938	G2	Kp 6	15	80
1 – 2 August 1938	G2	Kp 6	9	80
2 August 1938	G1	Kp 5−	3	39
3 – 5 August 1938	G3	Kp 7+	24	154
11 August 1938	G2	Kp 6	9	80
22 August 1938	G1	Kp 5	3	48
23 August 1938	G2	Kp 6	6	80
13 – 15 September 1938	G3	Kp 7+	42	154
26 September 1938	G1	Kp 5+	18	56
27 – 28 September 1938	G4	Kp 8−	12	179
30 September – 1 October 1938	G3	Kp 7+	18	154
7 – 8 October 1938	G3	Kp 7	33	132
24 – 25 October 1938	G1	Kp 5+	15	56
26 – 27 October 1938	G1	Kp 5	21	48
28 October 1938	G1	Kp 5−	3	39
8 – 9 November 1938	G1	Kp 5	9	48
9 November 1938	G1	Kp 5	3	48
17 November 1938	G1	Kp 5	6	48
2 – 3 December 1938	G1	Kp 5	9	48
10 December 1938	G2	Kp 6−	6	67
16 – 17 December 1938	G1	Kp 5+	15	56
18 December 1938	G2	Kp 6−	12	67
22 December 1938	G1	Kp 5−	6	39