Viewing archive of Sunday, 20 January 2013
Daily bulletin on solar and geomagnetic activity from the SIDC
Issued: 2013 Jan 20 0920 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 | |
|---|---|---|
| 20 Jan 2013 | 100 | 008 |
| 21 Jan 2013 | 096 | 004 |
| 22 Jan 2013 | 095 | 004 |
Bulletin
Solar activity has been very low and is expected to remain so for the next 24 hours. The CME of Wednesday January 16th arrived on Saturday evening January 19th, but caused only active geomagnetic conditions (K=4). There was only a minor jump in the solar wind speed, density and temperature. Geomagnetic conditions are quiet and are expected to remain so for the next 24 hours.
Today's estimated international sunspot number (ISN): 043, based on 03 stations.Solar indices for 19 Jan 2013
| Wolf number Catania | /// |
| 10cm solar flux | 107 |
| AK Chambon La Forêt | /// |
| AK Wingst | 012 |
| Estimated Ap | 010 |
| Estimated international sunspot number | 034 - Based on 11 stations |
Noticeable events summary
| Day | Begin | Max | End | Loc | Strength | OP | 10cm | Radio burst types | Catania/NOAA | |
|---|---|---|---|---|---|---|---|---|---|---|
| None | ||||||||||
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
All times in UTC
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