Solar flares on December 18, 2000
The most powerful solar flare in 24 hours
C7.0 (normal) flare - December 18 at 6:11 AM
Solar activity index
Value as of the end of the day on December 18, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 17, 2000 to December 18, 2000
Time zone — UTC-05 (Kapuskasing)
List of solar flares for December 18, 2000
The total number of solar flares of class C and higher — 18 flares
C class — 18 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 23:55 | 23:59 | 00:05 | 9267 |
| C2.5 | 22:04 | 22:07 | 22:13 | — |
| C4.0 | 20:50 | 20:59 | 21:07 | 9276 |
| C2.1 | 19:22 | 19:25 | 19:30 | 9267 |
| C3.5 | 18:02 | 18:12 | 18:23 | 9279 |
| C2.4 | 17:01 | 17:10 | 17:12 | 9278 |
| C3.1 | 15:41 | 15:45 | 15:50 | — |
| C2.7 | 15:10 | 15:14 | 15:18 | — |
| C2.9 | 13:07 | 13:10 | 13:15 | 9277 |
| C3.3 | 12:22 | 12:25 | 12:28 | — |
| C2.6 | 11:18 | 11:22 | 11:25 | — |
| C3.8 | 08:40 | 08:47 | 08:53 | — |
| C3.2 | 08:28 | 08:31 | 08:36 | 9276 |
| C3.0 | 08:18 | 08:21 | 08:23 | — |
| C7.0 | 06:03 | 06:11 | 06:29 | 9269 |
| C5.2 | 03:52 | 03:59 | 04:09 | 9276 |
| C4.4 | 01:43 | 01:48 | 01:52 | — |
| C2.2 | 00:12 | 00:16 | 00:41 | — |