Geomagnetic Storms of 1983

83 storms

83 geomagnetic storms of G1 or more began in 1983: 44 G1, 28 G2, 6 G3, 5 G4, 0 G5. The strongest began January 9, 1983 and reached Kp 8+, rank 124 of every storm since 1932.

By month

Every storm of 1983

Times are UT, when the first block at Kp 5 or more began.

Began (UTC)	Level	Peak Kp	Hours	Highest daily Ap
Jan 9, 15:00	G4 Severe	8+	21	78
Jan 18, 09:00	G1 Minor	5+	3	32
Jan 24, 21:00	G1 Minor	5	3	22
Jan 29, 15:00	G1 Minor	5	3	16
Feb 4, 15:00	G4 Severe	8	51	143
Feb 7, 06:00	G2 Moderate	6	12	43
Feb 10, 00:00	G1 Minor	5+	6	23
Feb 11, 18:00	G1 Minor	5+	3	24
Feb 12, 09:00	G2 Moderate	6	6	33
Feb 13, 06:00	G1 Minor	5+	6	35
Feb 14, 06:00	G1 Minor	5+	3	28
Feb 16, 03:00	G1 Minor	5+	3	30
Feb 20, 15:00	G2 Moderate	6	15	41
Feb 21, 21:00	G1 Minor	5+	6	37
Mar 2, 00:00	G3 Strong	7	27	86
Mar 4, 21:00	G1 Minor	5	3	26
Mar 6, 00:00	G1 Minor	5+	3	12
Mar 11, 21:00	G2 Moderate	6	6	53
Mar 12, 15:00	G3 Strong	7+	12	53
Mar 14, 06:00	G1 Minor	5+	3	26
Mar 18, 21:00	G2 Moderate	6-	9	28
Mar 20, 03:00	G2 Moderate	6-	3	32
Mar 25, 03:00	G2 Moderate	6+	12	50
Mar 28, 06:00	G2 Moderate	6-	36	40
Mar 31, 03:00	G1 Minor	5+	3	29
Apr 5, 00:00	G1 Minor	5+	3	17
Apr 6, 12:00	G2 Moderate	6-	3	35
Apr 7, 09:00	G1 Minor	5+	6	34
Apr 8, 12:00	G1 Minor	5	3	25
Apr 13, 03:00	G2 Moderate	6	12	36
Apr 14, 15:00	G3 Strong	7-	36	59
Apr 16, 21:00	G1 Minor	5	3	33
Apr 23, 21:00	G2 Moderate	6+	27	61
Apr 25, 21:00	G1 Minor	5+	6	32
Apr 29, 12:00	G2 Moderate	6	9	39
May 1, 18:00	G2 Moderate	6	3	24
May 5, 12:00	G2 Moderate	6-	3	24
May 11, 06:00	G2 Moderate	6	69	52
May 17, 12:00	G3 Strong	7+	12	64
May 20, 21:00	G1 Minor	5	3	11
May 21, 12:00	G2 Moderate	6+	57	51
May 24, 15:00	G4 Severe	8	12	77
Jun 10, 12:00	G2 Moderate	6+	6	37
Jun 13, 00:00	G4 Severe	8-	21	70
Jun 18, 03:00	G2 Moderate	6-	15	37
Jun 22, 15:00	G1 Minor	5	3	20
Jul 13, 00:00	G1 Minor	5	3	19
Jul 24, 00:00	G2 Moderate	6	15	40
Aug 2, 06:00	G1 Minor	5+	9	33
Aug 7, 21:00	G4 Severe	8-	12	62
Aug 12, 18:00	G1 Minor	5	3	26
Aug 13, 09:00	G1 Minor	5	3	25
Aug 22, 18:00	G2 Moderate	6	12	32
Aug 25, 00:00	G2 Moderate	6	9	36
Aug 26, 18:00	G1 Minor	5	3	27
Aug 31, 00:00	G1 Minor	5	3	29
Sep 7, 15:00	G1 Minor	5+	3	22
Sep 17, 03:00	G1 Minor	5+	6	25
Sep 19, 03:00	G2 Moderate	6+	21	54
Sep 25, 15:00	G1 Minor	5+	15	33
Oct 2, 03:00	G1 Minor	5	3	23
Oct 4, 09:00	G3 Strong	7-	9	43
Oct 6, 15:00	G1 Minor	5	3	22
Oct 13, 03:00	G1 Minor	5+	3	30
Oct 17, 06:00	G2 Moderate	6+	39	51
Oct 22, 00:00	G1 Minor	5	3	19
Oct 23, 18:00	G1 Minor	5	3	21
Oct 28, 21:00	G1 Minor	5	3	10
Nov 2, 03:00	G2 Moderate	6	6	35
Nov 3, 15:00	G1 Minor	5+	3	20
Nov 8, 00:00	G1 Minor	5+	3	27
Nov 9, 18:00	G3 Strong	7	9	43
Nov 10, 18:00	G2 Moderate	6-	3	29
Nov 11, 09:00	G2 Moderate	6	36	44
Nov 14, 15:00	G1 Minor	5+	3	28
Nov 16, 00:00	G1 Minor	5	3	30
Nov 16, 21:00	G2 Moderate	6	15	38
Nov 18, 03:00	G1 Minor	5	3	27
Nov 26, 00:00	G1 Minor	5	3	22
Dec 6, 12:00	G1 Minor	5	3	28
Dec 11, 12:00	G2 Moderate	6	6	33
Dec 30, 09:00	G1 Minor	5+	9	33
Dec 31, 15:00	G1 Minor	5	3	27

1982 1984 The strongest on record Tonight’s aurora forecast

Sources

Kp and ap from GFZ Helmholtz Centre for Geosciences, Geomagnetic Observatory Niemegk, licensed CC BY 4.0: Matzka, J., Stolle, C., Yamazaki, Y., Bronkalla, O. and Morschhauser, A., 2021, The geomagnetic Kp index and derived indices of geomagnetic activity, Space Weather, doi:10.1029/2020SW002641; data doi:10.5880/Kp.0001. Storms, levels and aurora reach worked out by WeatherOverTime from those values and NOAA’s space weather scales. Definitive through August 31, 2026; later values are preliminary. Rebuilt 2026-09-24.