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
Valid from 1230 UTC, 08 Mar 2013 until 10 Mar 2013
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
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Latest forum messages
jsoc 108Unexplained proton activity 52AR4048 97Temporary Topic - Ongoing Solar Proton Events 14Unspecified geomagnetic activity 2188
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.5 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| April 2025 | 147 -7.6 |
| Last 30 days | 129.8 -18.9 |