Top 50 solar flares of the year 1999

On this page you will find an overview of the strongest solar flares of the year 1999 together with links to more information in our archive and a video (if available) of the event.

Region Start Maximum End
1X1.81999/10/14873108:5409:0009:03View archive
2X1.41999/08/02864721:1821:2521:38View archive
3X1.41999/11/27877112:0512:1212:16View archive
4X1.11999/08/28868117:5218:0518:18View archive
5M9.81999/08/20867423:0323:0823:10View archive
6M8.01999/11/14876307:5408:0108:04View archive
7M7.61999/05/09853717:5318:0718:15View archive
8M7.41999/11/17876609:4709:5710:02View archive
9M6.61999/02/28847116:3116:3916:43View archive
10M6.21999/03/16848521:3421:4121:46View archive
11M6.01999/08/04-05:4505:5706:14View archive
12M6.01999/11/26877813:3813:4314:08View archive
13M5.91999/08/21-22:1022:1422:16View archive
14M5.81999/07/19-08:1608:4609:10View archive
15M5.71999/11/26877101:1001:2301:38View archive
16M5.61999/11/14876615:4716:0716:13View archive
17M5.51999/08/27867412:5013:0713:22View archive
18M5.41999/04/04-05:1505:2505:30View archive
19M5.31999/12/22880618:5219:0419:08View archive
20M5.21999/01/20-19:0620:0421:00View archive
21M5.11999/07/29865119:3119:3619:40View archive
22M4.61999/05/08852614:2214:4015:01View archive
23M4.51999/12/28880600:3900:4800:52View archive
24M4.41999/05/03-05:3606:0206:32View archive
25M4.31999/04/03-22:5623:1023:19View archive
26M3.91999/06/04855206:5207:0307:11View archive
27M3.81999/08/30867417:2318:0518:21View archive
28M3.81999/11/16876602:3602:4602:54View archive
29M3.71999/08/21867416:3016:3416:37View archive
30M3.71999/10/26-21:0921:2521:37View archive
31M3.61999/01/16844012:0212:0712:10View archive
32M3.61999/06/17-16:4717:3017:39View archive
33M3.61999/08/25867401:3201:3601:40View archive
34M3.51999/11/28877101:2601:4602:00View archive
35M3.41999/11/21876518:1018:2018:25View archive
36M3.31999/03/18848508:2508:3108:35View archive
37M3.31999/07/24863607:4908:0208:25View archive
38M3.21999/02/16845802:4903:1203:45View archive
39M3.21999/03/17848509:5009:5610:05View archive
40M3.21999/05/07-04:2804:4104:49View archive
41M3.21999/11/20877122:1722:3522:51View archive
42M3.11999/06/29861108:1308:2108:27View archive
43M3.11999/07/16-15:4215:5015:54View archive
44M3.01999/01/14-10:0710:2010:33View archive
45M3.01999/07/27863612:5814:0514:20View archive
46M3.01999/08/27-01:2201:3701:51View archive
47M3.01999/08/27867416:2316:3617:07View archive
48M3.01999/11/05-18:0418:2919:44View archive
49M3.01999/11/16876004:0504:1004:13View archive
50M3.01999/11/24877123:2723:3723:44View archive
Current data suggest that it is not possible to see aurora now at middle latitudes

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Auroral activity Minor Severe
High latitude 30% 35%
Middle latitude 15% 1%
Predicted Kp max 4
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M-class solar flare 1%
X-class solar flare 1%
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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2017/11/08Kp6 (G2)
Number of spotless days in 2017:81
Current stretch spotless days:2

This day in history*

Solar flares
12013X1.0
22003M1.7
32000C9.1
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2200120
3200214
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5199912
*since 1994