1948Year 5 of solar cycle 18

Geomagnetic storms of 1948

1948 had 67 geomagnetic storms reaching Kp 5 or more, 8 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.

67Every storm

8G3–G5

Kp 8+Peak Kp

94days 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 · 1948

2Jan

4Feb

3Mar

6Apr

10May

3Jun

1Jul

6Aug

9Sep

11Oct

6Nov

6Dec

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
2 – 3 January 1948	G2	Kp 6	15	80
17 January 1948	G2	Kp 6−	6	67
3 February 1948	G2	Kp 6−	9	67
15 – 16 February 1948	G1	Kp 5+	9	56
23 February 1948	G1	Kp 5	9	48
28 February 1948	G1	Kp 5−	3	39
1 – 3 March 1948	G2	Kp 6−	24	67
11 – 12 March 1948	G1	Kp 5−	9	39
13 – 15 March 1948	G4	Kp 8+	51	236
1 April 1948	G1	Kp 5−	6	39
6 April 1948	G2	Kp 6	3	80
14 April 1948	G1	Kp 5−	6	39
21 April 1948	G3	Kp 7−	3	111
22 April 1948	G3	Kp 7	15	132
29 April 1948	G1	Kp 5+	3	56
2 May 1948	G1	Kp 5	6	48
7 May 1948	G2	Kp 6	9	80
9 May 1948	G2	Kp 6+	9	94
10 May 1948	G1	Kp 5	3	48
13 May 1948	G1	Kp 5	3	48
15 – 16 May 1948	G3	Kp 7	39	132
21 – 22 May 1948	G2	Kp 6+	18	94
23 May 1948	G1	Kp 5−	3	39
24 May 1948	G1	Kp 5−	3	39
29 May 1948	G1	Kp 5+	6	56
1 June 1948	G1	Kp 5+	12	56
21 June 1948	G1	Kp 5−	3	39
26 June 1948	G1	Kp 5	3	48
4 July 1948	G1	Kp 5+	3	56
4 August 1948	G1	Kp 5	6	48
7 – 11 August 1948	G4	Kp 8−	66	179
12 August 1948	G2	Kp 6−	6	67
20 August 1948	G2	Kp 6−	9	67
23 August 1948	G1	Kp 5−	6	39
29 August 1948	G1	Kp 5−	6	39
1 – 2 September 1948	G2	Kp 6	15	80
4 September 1948	G1	Kp 5+	6	56
7 September 1948	G1	Kp 5	3	48
12 September 1948	G1	Kp 5−	3	39
15 – 16 September 1948	G1	Kp 5+	6	56
22 September 1948	G1	Kp 5+	3	56
24 September 1948	G1	Kp 5−	3	39
25 – 26 September 1948	G1	Kp 5	12	48
29 September 1948	G1	Kp 5+	6	56
1 October 1948	G2	Kp 6+	15	94
2 October 1948	G2	Kp 6+	15	94
3 October 1948	G2	Kp 6−	3	67
5 October 1948	G1	Kp 5	3	48
10 October 1948	G2	Kp 6+	6	94
14 – 15 October 1948	G3	Kp 7	27	132
17 – 19 October 1948	G4	Kp 8+	36	236
20 – 22 October 1948	G3	Kp 7−	36	111
23 October 1948	G1	Kp 5+	9	56
24 October 1948	G1	Kp 5+	6	56
27 October 1948	G2	Kp 6	3	80
1 – 3 November 1948	G2	Kp 6+	30	94
18 November 1948	G1	Kp 5−	3	39
20 – 21 November 1948	G2	Kp 6+	24	94
24 November 1948	G1	Kp 5	3	48
25 November 1948	G1	Kp 5−	3	39
26 November 1948	G1	Kp 5−	3	39
6 December 1948	G1	Kp 5−	6	39
13 – 14 December 1948	G1	Kp 5+	6	56
21 December 1948	G1	Kp 5−	6	39
24 December 1948	G2	Kp 6−	6	67
25 – 26 December 1948	G2	Kp 6−	15	67
30 – 31 December 1948	G2	Kp 6	12	80