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Solar flares in May 1983
C-class353
M-class19
X-class4
LargestX3.11983-05-07
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| May 1982 | 211 | 27 | 1 | X1.2 |
| May 1983 | 353 | 19 | 4 | X3.1 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1983-05-07 | 22:16 | 22:16 | 49 | X3.1 | S30E67 | 4171 |
| 1983-05-09 | 23:02 | 23:07 | 65 | X2.4 | S29E39 | 4171 |
| 1983-05-15 | 08:40 | 08:45 | 58 | X2.3 | S10W78 | 4173 |
| 1983-05-08 | 02:24 | 03:17 | 409 | X1.3 | S31E62 | 4171 |
| 1983-05-12 | 02:37 | 02:56 | 69 | M5.6 | S30E15 | 4171 |
| 1983-05-10 | 11:06 | 12:11 | 154 | M3.1 | S13W16 | 4173 |
| 1983-05-11 | 03:54 | 04:08 | 51 | M3.1 | S11W24 | 4173 |
| 1983-05-01 | 22:58 | 23:10 | 38 | M2.9 | S15W38 | 4154 |
| 1983-05-11 | 00:01 | 00:08 | 22 | M2.5 | – | – |
| 1983-05-11 | 22:07 | 22:14 | 21 | M2.5 | – | 4173 |
| 1983-05-12 | 13:34 | 13:40 | 101 | M2.2 | S12W44 | 4173 |
| 1983-05-25 | 09:46 | 09:55 | 16 | M2.2 | – | – |
| 1983-05-11 | 14:20 | 14:23 | 72 | M1.9 | S30E19 | 4171 |
| 1983-05-14 | 07:25 | 07:35 | 27 | M1.8 | S11W70 | 4173 |
| 1983-05-11 | 13:22 | 13:29 | 117 | M1.3 | S12W30 | 4173 |
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
376 flares of class C or larger in May 1983; by M/X count it ranks 139 of 565 months.