Viewing archive of Sunday, 13 March 2016
Daily bulletin on solar and geomagnetic activity from the SIDC
Issued: 2016 Mar 13 1230 UTC
SIDC Forecast
Solar flares
C-class flares expected, (probability >=50%)
Geomagnetism
Quiet (A<20 and K<4)
Solar protons
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 13 Mar 2016 | 095 | 007 |
| 14 Mar 2016 | 094 | 007 |
| 15 Mar 2016 | 093 | 007 |
Bulletin
Solar activity is very low, no C-class flares in past 24h. C-class flares remain possible. Geomagnetic conditions have ranged from quiet to unsettled, and are expected to remain so in the coming 48h.
Today's estimated international sunspot number (ISN): 047, based on 19 stations.Solar indices for 12 Mar 2016
| Wolf number Catania | /// |
| 10cm solar flux | 095 |
| AK Chambon La Forêt | 013 |
| AK Wingst | 014 |
| Estimated Ap | 014 |
| Estimated international sunspot number | 059 - Based on 25 stations |
Noticeable events summary
| Day | Begin | Max | End | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
|---|---|---|---|---|---|---|---|---|---|---|
| None | ||||||||||
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
All times in UTC
Latest news
X1.5 solar flare
M2.7 solar flare, CME arrival possible
Complex sunspot region 4366
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 | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 122.8 +36.9 |
| Last 30 days | 99.9 +42.1 |