Viewing archive of Sunday, 13 April 2014
Daily bulletin on solar and geomagnetic activity from the SIDC
Issued: 2014 Apr 13 1209 UTC
SIDC Forecast
Solar flares
Eruptive (C-class flares expected, probability >=50%)
Geomagnetism
Active conditions expected (A>=20 or K=4)
Solar protons
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 13 Apr 2014 | 140 | 013 |
| 14 Apr 2014 | 140 | 013 |
| 15 Apr 2014 | 143 | 007 |
Bulletin
The background level of the X-ray flux was at the B-class level and no C-class flares occurred during the past 24 hours. C-class flares can be expected from NOAA ARs 2034 and 2035. Geomagnetic conditions were unsettled. On April 13, unsettled to active conditions are still possible related to the arrival of the CH high speed stream.
Today's estimated international sunspot number (ISN): 053, based on 11 stations.Solar indices for 12 Apr 2014
| Wolf number Catania | /// |
| 10cm solar flux | 136 |
| AK Chambon La Forêt | 020 |
| AK Wingst | 018 |
| Estimated Ap | 022 |
| Estimated international sunspot number | 053 - Based on 19 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
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