Viewing archive of Monday, 23 September 2013
Daily bulletin on solar and geomagnetic activity from the SIDC
Issued: 2013 Sep 23 1304 UTC
SIDC Forecast
Valid from 1230 UTC, 23 Sep 2013 until 25 Sep 2013
Solar flares
Quiet conditions (<50% probability of C-class flares)
Geomagnetism
Quiet (A<20 and K<4)
Solar protons
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 23 Sep 2013 | 115 | 006 |
| 24 Sep 2013 | 115 | 004 |
| 25 Sep 2013 | 115 | 005 |
Bulletin
The X-ray background radiation decreased near the bottom of the B-level. The probability for a C flare is low. The geomagnetic conditions are quiet: the total magnetic field is around 5 nT. The solar wind speed is below 400 km/s. We expect the quiet geomagnetic conditions to continue.
Today's estimated international sunspot number (ISN): 052, based on 17 stations.Solar indices for 22 Sep 2013
| Wolf number Catania | /// |
| 10cm solar flux | 111 |
| AK Chambon La Forêt | /// |
| AK Wingst | 005 |
| Estimated Ap | 005 |
| Estimated international sunspot number | 056 - Based on 20 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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