Viewing archive of Friday, 8 March 2013
Daily bulletin on solar and geomagnetic activity from the SIDC
Issued: 2013 Mar 08 1302 UTC
SIDC Forecast
Solar flares
Eruptive (C-class flares expected, probability >= 50%)
Geomagnetism
Quiet (A<20 and K<4)
Solar protons
Warning condition
| 10cm flux | Ap | |
|---|---|---|
| 08 Mar 2013 | 114 | 005 |
| 09 Mar 2013 | 112 | 007 |
| 10 Mar 2013 | 113 | 007 |
Bulletin
Solar activity has been low, NOAA AR 1686 produced a C1.5 flare peaking at 16:44 UT on March 7. Geomagnetic conditions have been quiet and are expected to remain so.
Today's estimated international sunspot number (ISN): 050, based on 06 stations.Solar indices for 7 Mar 2013
| Wolf number Catania | /// |
| 10cm solar flux | 114 |
| AK Chambon La Forêt | 005 |
| AK Wingst | 003 |
| Estimated Ap | 002 |
| Estimated international sunspot number | 051 - Based on 12 stations |
Noticeable events summary
| Day | Begin | Max | End | Loc | Strength | OP | 10cm | Radio burst types | Catania/NOAA | |
|---|---|---|---|---|---|---|---|---|---|---|
| None | ||||||||||
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
All times in UTC
Latest news
Complex sunspot region 4366
CME impact! S4 solar radiation storm
X1.9 solar flare with earth-directed CME
Latest forum messages
Support SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 139.3 +26.7 |
| Last 30 days | 125.9 +20.7 |