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Solar flares in March 1983
C-class213
M-class10
X-class0
LargestM5.21983-03-17
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| March 1982 | 405 | 27 | 2 | X2.8 |
| March 1983 | 213 | 10 | 0 | M5.2 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1983-03-17 | 20:11 | 20:13 | 5 | M5.2 | S08E42 | 4116 |
| 1983-03-17 | 09:28 | 09:31 | 6 | M4.8 | – | 4116 |
| 1983-03-17 | 19:30 | 19:33 | 5 | M2.7 | – | – |
| 1983-03-17 | 09:00 | 09:04 | 40 | M2.2 | S08E48 | 4116 |
| 1983-03-17 | 13:32 | 13:37 | 21 | M2.2 | – | – |
| 1983-03-12 | 14:16 | 14:24 | 27 | M1.9 | – | – |
| 1983-03-18 | 04:40 | 04:44 | 14 | M1.7 | S07E38 | 4116 |
| 1983-03-10 | 08:34 | 09:09 | 58 | M1.1 | S26W58 | 4104 |
| 1983-03-17 | 02:24 | 02:27 | 22 | M1.1 | S07E52 | 4116 |
| 1983-03-18 | 01:54 | 01:56 | 30 | M1.1 | S08E37 | 4116 |
| 1983-03-17 | 12:23 | 12:31 | 10 | C9.3 | – | – |
| 1983-03-17 | 10:55 | 11:03 | 17 | C9.2 | – | 4116 |
| 1983-03-01 | 21:03 | 21:17 | 82 | C8.3 | S14W04 | 4098 |
| 1983-03-10 | 00:28 | 00:48 | 50 | C7.5 | S08W73 | 4105 |
| 1983-03-16 | 21:37 | 22:09 | 129 | C7.3 | S07E53 | 4116 |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
About this page
223 flares of class C or larger in March 1983; by M/X count it ranks 233 of 565 months.