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Solar flares in February 1998
C-class16
M-class0
X-class0
LargestC5.21998-02-18
Sunspot number54.4NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| February 1997 | 6 | 0 | 0 | C4.8 |
| February 1998 | 16 | 0 | 0 | C5.2 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1998-02-18 | 11:38 | 11:47 | 15 | C5.2 | S24W30 | 8156 |
| 1998-02-16 | 03:02 | 03:26 | 40 | C3.2 | – | – |
| 1998-02-17 | 09:48 | 09:53 | 8 | C2.9 | S27W16 | 8156 |
| 1998-02-15 | 18:23 | 18:29 | 10 | C1.8 | – | – |
| 1998-02-18 | 12:21 | 12:26 | 9 | C1.8 | – | – |
| 1998-02-23 | 07:01 | 07:07 | 10 | C1.8 | – | – |
| 1998-02-15 | 11:37 | 11:48 | 22 | C1.7 | S26E08 | 8156 |
| 1998-02-18 | 09:17 | 09:27 | 14 | C1.5 | S23W24 | 8156 |
| 1998-02-22 | 16:36 | 16:46 | 15 | C1.4 | – | – |
| 1998-02-15 | 04:20 | 04:24 | 9 | C1.3 | S24E14 | 8156 |
| 1998-02-19 | 05:22 | 05:28 | 10 | C1.1 | S27W40 | 8156 |
| 1998-02-23 | 06:39 | 06:46 | 12 | C1.1 | – | – |
| 1998-02-15 | 07:07 | 07:16 | 15 | C1.0 | S24E14 | 8156 |
| 1998-02-17 | 03:46 | 03:51 | 14 | C1.0 | – | – |
| 1998-02-20 | 10:01 | 10:11 | 20 | C1.0 | S27W55 | 8156 |
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
16 flares of class C or larger in February 1998; by M/X count it ranks 502 of 565 months.