Solar flares on December 21, 2000
The most powerful solar flare in 24 hours
C2.8 (normal) flare - December 21 at 12:33 AM
Solar activity index
Value as of the end of the day on December 21, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 20, 2000 to December 21, 2000
Time zone — UTC-07 (Dawson)
List of solar flares for December 21, 2000
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 20:51 | 20:58 | 21:09 | — |
| C1.8 | 20:11 | 20:15 | 20:39 | 9280 |
| C1.4 | 19:46 | 19:50 | 20:05 | 9269 |
| C1.6 | 02:38 | 02:46 | 02:53 | — |
| C2.8 | 00:27 | 00:33 | 00:36 | 9280 |