Viewing archive of Thursday, 22 January 2015
Daily bulletin on solar and geomagnetic activity from the SIDC
Issued: 2015 Jan 22 1240 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 | |
|---|---|---|
| 22 Jan 2015 | 124 | 010 |
| 23 Jan 2015 | 126 | 007 |
| 24 Jan 2015 | 129 | 007 |
Bulletin
Solar activity has been dominated by the region on the east solar limb (NOAA AR 2268). It produced several C-class and one M1.4 flare at 04:52 UT. More M-class flares can be expected. Geomagnetic conditions were dominated by a fast speed stream that is now decaying. Planetary and local K indices reached 4. Quiet to unsettled conditions are expected.
Today's estimated international sunspot number (ISN): 048, based on 03 stations.Solar indices for 21 Jan 2015
| Wolf number Catania | 068 |
| 10cm solar flux | 124 |
| AK Chambon La Forêt | 029 |
| AK Wingst | 013 |
| Estimated Ap | 013 |
| Estimated international sunspot number | 033 - Based on 10 stations |
Noticeable events summary
| Day | Begin | Max | End | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types |
|---|---|---|---|---|---|---|---|---|---|
| 22 | 0443 | 0452 | 0502 | ---- | M1.4 | --/2268 |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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