2001Year 5 of solar cycle 23

Geomagnetic storms of 2001

2001 had 46 geomagnetic storms reaching Kp 5 or more, 13 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.

46Every storm

13G3–G5

Kp 9−Peak Kp

63days 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 · 2001

3Jan

1Feb

6Mar

9Apr

3May

3Jun

2Jul

4Aug

5Sep

4Oct

3Nov

3Dec

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
23 January 2001	G1	Kp 5−	3	39
24 January 2001	G1	Kp 5−	3	39
29 January 2001	G1	Kp 5	6	48
13 February 2001	G1	Kp 5−	3	39
4 – 5 March 2001	G1	Kp 5	9	48
19 – 20 March 2001	G3	Kp 7+	27	154
23 March 2001	G1	Kp 5	6	48
27 – 28 March 2001	G2	Kp 6+	18	94
29 March 2001	G1	Kp 5−	3	39
31 March – 2 April 2001	G4	Kp 9−	42	300
4 April 2001	G1	Kp 5+	9	56
7 April 2001	G1	Kp 5−	3	39
8 April 2001	G3	Kp 7	15	132
9 April 2001	G1	Kp 5	3	48
11 – 12 April 2001	G4	Kp 8+	21	236
13 April 2001	G3	Kp 7+	15	154
18 April 2001	G3	Kp 7+	9	154
22 April 2001	G2	Kp 6+	9	94
28 April 2001	G2	Kp 6	9	80
9 – 10 May 2001	G1	Kp 5+	21	56
12 – 13 May 2001	G1	Kp 5+	12	56
13 May 2001	G1	Kp 5+	3	56
2 June 2001	G1	Kp 5+	3	56
9 – 10 June 2001	G2	Kp 6−	9	67
18 June 2001	G1	Kp 5+	12	56
8 – 9 July 2001	G1	Kp 5	6	48
31 July 2001	G1	Kp 5	6	48
5 August 2001	G1	Kp 5	6	48
13 August 2001	G1	Kp 5+	3	56
17 August 2001	G3	Kp 7	9	132
27 August 2001	G1	Kp 5−	3	39
13 September 2001	G1	Kp 5−	6	39
23 September 2001	G2	Kp 6	15	80
25 – 26 September 2001	G3	Kp 7+	15	154
29 September 2001	G1	Kp 5+	9	56
30 September – 3 October 2001	G3	Kp 7	57	132
8 October 2001	G1	Kp 5−	3	39
11 – 12 October 2001	G2	Kp 6	12	80
21 – 23 October 2001	G4	Kp 8−	33	179
28 October 2001	G3	Kp 7−	12	111
1 November 2001	G1	Kp 5	9	48
5 – 7 November 2001	G4	Kp 9−	33	300
24 November 2001	G4	Kp 8+	18	236
24 December 2001	G1	Kp 5−	3	39
30 December 2001	G1	Kp 5−	3	39
30 December 2001	G1	Kp 5−	3	39