| Begin | Max | End | Xray | Region | |
|---|---|---|---|---|---|
| Thursday, October 29 | 00:45 | 00:55 | 01:04 | B4.5 | 2779 |
| 04:14 | 04:19 | 04:23 | B3.1 | 2779 | |
| 04:23 | 04:31 | 04:36 | B4.9 | 2779 | |
| 04:48 | 04:57 | 05:07 | B8.9 | 2779 | |
| 05:30 | 05:35 | 05:46 | B6.4 | 2778 | |
| 07:54 | 08:02 | 08:06 | B4.4 | 2779 | |
| 08:49 | 08:55 | 09:03 | B2.8 | 2779 | |
| 09:25 | 09:34 | 09:39 | B3.1 | 2779 | |
| 09:39 | 09:48 | 09:56 | B4.4 | 2779 | |
| 10:07 | 10:19 | 10:27 | B9.6 | 2779 | |
| 11:05 | 11:12 | 11:16 | B3.2 | 2779 | |
| 11:18 | 11:26 | 11:30 | B3.8 | 2779 | |
| 11:30 | 11:50 | 12:07 | C4.3 | 2779 | |
| 13:10 | 13:20 | 13:27 | C1.0 | 2779 | |
| 14:46 | 14:51 | 14:59 | B6.2 | 2779 | |
| 15:53 | 16:02 | 16:08 | C1.3 | 2779 | |
| 19:03 | 19:11 | 19:22 | B2.5 | 2779 | |
| 20:00 | 20:16 | 20:38 | C1.5 | 2779 | |
| 21:41 | 21:47 | 21:52 | B4.0 | 2779 | |
| 23:10 | 23:14 | 23:20 | B2.9 | 2779 | |
| Friday, October 30 | 00:06 | 00:12 | 00:16 | B3.5 | 2779 |
| 00:58 | 01:08 | 01:15 | B3.7 | 2779 | |
| 12:06 | 12:14 | 12:18 | B2.3 | 2778 | |
| 13:08 | 13:13 | 13:18 | B3.0 | 2778 |
Solar activity
UTC
Saturday, October 31st 2020, 03:30:00 UTC
Regions with Sunspots
- 2778
- 2779
Analysis of Solar Active Regions and Activity from 29/2100Z to 30/2100Z
Solar activity has been at very low levels for the past 24 hours. There are currently 2 numbered sunspot regions on the disk.
Solar Activity Forecast
Solar activity is likely to be low with a slight chance for an M-class flare on days one, two, and three (31 Oct, 01 Nov, 02 Nov).
| 24 hr | 48 hr | 72 hr | |
|---|---|---|---|
| Class M | 15 % | 15 % | 15 % |
| Class X | 01 % | 01 % | 01 % |
| Proton | 01 % | 01 % | 01 % |
PCAF: green
Geophysical Activity Summary 29/2100Z to 30/2100Z
The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 455 km/s at 30/0607Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 8657 pfu.
Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on days one and three (31 Oct, 02 Nov) and quiet to active levels on day two (01 Nov).
Geomagnetic Activity Probabilities 31 Oct-02 Nov
| 24 hr | 48 hr | 72 hr | |
|---|---|---|---|
| Active | 25 % | 30 % | 25 % |
| Minor Storm | 05 % | 15 % | 05 % |
| Major-severe storm | 01 % | 01 % | 01 % |
| 24 hr | 48 hr | 72 hr | |
|---|---|---|---|
| Active | 15 % | 15 % | 15 % |
| Minor Storm | 30 % | 30 % | 30 % |
| Major-severe storm | 30 % | 45 % | 30 % |
Space Weather Alerts Issued in the last 24 hours
CONTINUED ALERTSN 3075
Electron 2MeV Integral Flux exceeded 1000pfu
Issue Time: 2020 Oct 30 0459 UTC
| Continuation of Serial Number | 3074 |
| Begin Time | 2020 Oct 25 1320 UTC |
| Yesterday Maximum 2MeV Flux | 15796 pfu |
| Potential Impacts | Satellite systems may experience significant charging resulting in increased risk to satellite systems. |
3-days of 5-minute solar x-ray flux values (GOES-15)
Manually reviewed and edited by the duty forecaster
Sources: NOAA's Space Weather Prediction Center (SWPC), Joint Science Operations Center (JSOC)