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X3.7 solar flare on 1998-11-22
ClassX3.7NOAA report
Peak06:421998-11-22 UTC
Duration19 min
Peak flux3.7e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 79 / 491 |
| Rank in year | 3 / 1296 |
| Other M/X flares that day | 3 |
| M/X flares that month | 20 |
| Solar cycle | Cycle 23 |
| Position on disk | S27W82 |
Compared with the strongest flares of 1998
X4.9
X3.9
X3.7
X3.3
X2.8
X2.7
X2.5
X2.2
X1.2
X1.2
X1.1
X1.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 16:10 | 16:23 | 22 | X2.5 | S30W89 | – | |
| 18:28 | 18:39 | 23 | M1.0 | – | – | |
| 21:40 | 22:15 | 55 | M1.8 | – | – |
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.
← M8.4 1998-11-05X2.5 1998-11-22 →
About this page
A X3.7 flare that began 1998-11-22 06:30 UTC; No. 3 of 1,296 C-class-or-larger flares in 1998.