Solar flares on December 13, 2001
The most powerful solar flare in 24 hours
X6.2 (very strong) flare - December 13 at 2:30 PM
Solar activity index
Value as of the end of the day on December 13, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 12, 2001 to December 13, 2001
Time zone — UTC+00
List of solar flares for December 13, 2001
The total number of solar flares of class C and higher — 7 flares
C class — 4 | M class — 2 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.4 | 22:44 | 23:07 | 23:17 | 9727 |
| X6.2 | 14:20 | 14:30 | 14:35 | 9733 |
| C2.4 | 13:58 | 14:03 | 14:07 | — |
| C3.4 | 13:22 | 13:26 | 13:31 | — |
| C3.1 | 10:06 | 10:12 | 10:24 | — |
| M1.8 | 06:32 | 06:40 | 07:00 | 9727 |
| C4.1 | 02:33 | 02:41 | 02:59 | 9733 |