Viewing archive of Sunday, 12 February 2017
Daily bulletin on solar and geomagnetic activity from the SIDC
Issued: 2017 Feb 12 1230 UTC
SIDC Forecast
Solar flares
Quiet conditions (<50% probability of C-class flares)
Geomagnetism
Quiet (A<20 and K<4)
Solar protons
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 12 Feb 2017 | 076 | 007 |
| 13 Feb 2017 | 076 | 007 |
| 14 Feb 2017 | 076 | 007 |
Bulletin
No C-class flares in past 24 h. One beta AR visible on the disk (2635). C-class flares are possible but not very likely.
No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours.
Geomagnetic conditions have been at k = 1-2 levels. Solar wind speed is now at 350 km/s with interplanetary magnetic fields of 3 nT. Quiet geomagnetic conditions expected.
Today's estimated international sunspot number (ISN): 017, based on 05 stations.Solar indices for 11 Feb 2017
| Wolf number Catania | /// |
| 10cm solar flux | 076 |
| AK Chambon La Forêt | 005 |
| AK Wingst | 005 |
| Estimated Ap | 004 |
| Estimated international sunspot number | 020 - Based on 09 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
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