Viewing archive of Wednesday, 17 September 2014
Daily bulletin on solar and geomagnetic activity from the SIDC
Issued: 2014 Sep 17 1509 UTC
SIDC Forecast
Solar flares
Eruptive (C-class flares expected, probability >=50%)
Geomagnetism
Quiet (A<20 and K<4)
Solar protons
Warning condition (activity levels expected to increase, but no numeric forecast given)
| 10cm flux | Ap | |
|---|---|---|
| 17 Sep 2014 | 133 | 007 |
| 18 Sep 2014 | 132 | 007 |
| 19 Sep 2014 | 132 | 007 |
Bulletin
Only minor C-class flares in past 24 hours. The strongest one was a C2.6 from Catania 54 (NOAA 2164) peaking at 03:34 UT. Same conditions are expect to continue. Geomagnetic conditions are quiet and expected to remain so.
Today's estimated international sunspot number (ISN): 088, based on 17 stations.Solar indices for 16 Sep 2014
| Wolf number Catania | /// |
| 10cm solar flux | 133 |
| AK Chambon La Forêt | 018 |
| AK Wingst | 010 |
| Estimated Ap | 009 |
| Estimated international sunspot number | 077 - Based on 21 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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