Solar flares on August 13, 2002
The most powerful solar flare in 24 hours
M1.8 (strong) flare - August 13 at 7:04 PM
Solar activity index
Value as of the end of the day on August 13, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 12, 2002 to August 13, 2002
Time zone — UTC+00
List of solar flares for August 13, 2002
The total number of solar flares of class C and higher — 14 flares
C class — 13 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.5 | 22:50 | 22:55 | 22:59 | — |
| C5.0 | 22:10 | 22:15 | 22:19 | 67 |
| C2.7 | 21:20 | 21:47 | 22:05 | — |
| C3.1 | 20:45 | 20:52 | 20:53 | 67 |
| M1.8 | 18:52 | 19:04 | 19:18 | 69 |
| C4.8 | 15:03 | 15:10 | 15:22 | 67 |
| C3.0 | 14:06 | 14:17 | 14:25 | — |
| C3.0 | 12:29 | 13:22 | 13:35 | — |
| C3.3 | 09:21 | 09:29 | 09:39 | — |
| C1.6 | 08:18 | 08:27 | 08:35 | — |
| C1.9 | 07:07 | 07:15 | 07:21 | — |
| C2.3 | 05:46 | 05:50 | 05:53 | — |
| C3.1 | 04:43 | 04:55 | 05:20 | 58 |
| C4.6 | 02:43 | 02:48 | 02:59 | 66 |