Viewing archive of Friday, 8 May 2015
Daily bulletin on solar and geomagnetic activity from the SIDC
Issued: 2015 May 08 1231 UTC
SIDC Forecast
Solar flares
Active (M-class flares expected, probability >=50%)
Geomagnetism
Quiet (A<20 and K<4)
Solar protons
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 08 May 2015 | 147 | 007 |
| 09 May 2015 | 149 | 007 |
| 10 May 2015 | 151 | 007 |
Bulletin
NOAA AR 2235 has decayed, so solar activity has been led by NOAA AR 2239. It produced several C-class flares in past 24 h. the strongest being a C5.5 with peak at 04:09 UT. M-class flares are possible. The solar wind is at nominal levels (speed 400 km/s, magnetic field magnitude 5 nT). Geomagnetic conditions are quiet and expected to remain so.
Today's estimated international sunspot number (ISN): 105, based on 15 stations.Solar indices for 07 May 2015
| Wolf number Catania | /// |
| 10cm solar flux | 147 |
| AK Chambon La Forêt | 015 |
| AK Wingst | 008 |
| Estimated Ap | 008 |
| Estimated international sunspot number | 100 - Based on 28 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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