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X2.8 solar flare on 1982-03-30
ClassX2.8NOAA report
Peak05:491982-03-30 UTC
Duration184 min
Peak flux2.8e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 119 / 491 |
| Rank in year | 14 / 3850 |
| Other M/X flares that day | 3 |
| M/X flares that month | 29 |
| Solar cycle | Cycle 21 |
| Position on disk | N13W11 |
| Active region | AR 3659 (62 flares) |
Compared with the strongest flares of 1982
X12.9
X12.0
X10.1
X9.8
X8.0
X7.1
X5.9
X5.0
X4.5
X3.6
X3.2
X3.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 02:36 | 02:40 | 38 | M2.1 | N16E30 | 3667 | |
| 14:18 | 14:24 | 56 | M2.1 | N11W20 | 3659 | |
| 23:40 | 23:41 | 7 | M1.2 | N12W28 | 3659 |
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.
← M6.1 1982-03-08M7.4 1982-03-31 →
About this page
A X2.8 flare that began 1982-03-30 05:22 UTC; No. 14 of 3,850 C-class-or-larger flares in 1982.