Solar flares on August 13, 2002
The most powerful solar flare in 24 hours
M2.3 (strong) flare - August 13 at 7:12 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-07 (Phoenix)
List of solar flares for August 13, 2002
The total number of solar flares of class C and higher — 13 flares
C class — 11 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.3 | 18:47 | 19:12 | 19:46 | 61 |
| C3.4 | 17:55 | 18:10 | 18:20 | 67 |
| C2.5 | 15:50 | 15:55 | 15:59 | — |
| C5.0 | 15:10 | 15:15 | 15:19 | 67 |
| C2.7 | 14:20 | 14:47 | 15:05 | — |
| C3.1 | 13:45 | 13:52 | 13:53 | 67 |
| M1.8 | 11:52 | 12:04 | 12:18 | 69 |
| C4.8 | 08:03 | 08:10 | 08:22 | 67 |
| C3.0 | 07:06 | 07:17 | 07:25 | — |
| C3.0 | 05:29 | 06:22 | 06:35 | — |
| C3.3 | 02:21 | 02:29 | 02:39 | — |
| C1.6 | 01:18 | 01:27 | 01:35 | — |
| C1.9 | 00:07 | 00:15 | 00:21 | — |