Solar Flare WatchHome › Flare history › 1999
M8.0 solar flare on 1999-11-14
ClassM8.0NOAA report
Peak08:011999-11-14 UTC
Duration10 min
Peak flux8.0e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 6 / 2025 |
| Other M/X flares that day | 4 |
| M/X flares that month | 41 |
| Solar cycle | Cycle 23 |
| Position on disk | S15E27 |
| Active region | AR 8763 (10 flares) |
Compared with the strongest flares of 1999
X1.8
X1.4
X1.4
X1.1
M9.8
M8.0
M7.6
M7.4
M6.6
M6.2
M6.0
M6.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 15:47 | 16:07 | 26 | M5.6 | – | 8766 | |
| 16:20 | 16:23 | 6 | M2.2 | S11E36 | 8765 | |
| 16:54 | 17:04 | 25 | M1.4 | N10W13 | 8759 | |
| 18:03 | 18:09 | 10 | M2.8 | – | – |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
← X1.8 1999-10-14M5.6 1999-11-14 →
About this page
A M8.0 flare that began 1999-11-14 07:54 UTC; No. 6 of 2,025 C-class-or-larger flares in 1999.