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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2015 Jan 17 1425 UTC
SIDC Forecast
Brillamenti solari
Eruptive (C-class flares expected, probability >=50%)
Geomagnetism
Active conditions expected (A>=20 or K=4)
Protoni solari
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 17 Jan 2015 | 125 | 007 |
| 18 Jan 2015 | 120 | 013 |
| 19 Jan 2015 | 115 | 007 |
Bulletin
Solar activity is very low, no C-class flares in past 24h. No significant flares are expected in the next 48h. Geomagnetic conditions are quiet and expected to remain so. The arrival of a fast speed stream form a small equatorial coronal hole is expected within 24h, only active conditions should be reached.
Today's estimated international sunspot number (ISN): 032, based on 14 stations.Solar indices for 16 Jan 2015
| Wolf number Catania | 085 |
| 10cm solar flux | 125 |
| AK Chambon La Forêt | 014 |
| AK Wingst | 006 |
| Estimated Ap | 006 |
| Estimated international sunspot number | 043 - Based on 17 stations |
Noticeable events summary
| Day | Begin | Max | Fine | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
|---|---|---|---|---|---|---|---|---|---|---|
| Nessuna | ||||||||||
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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Notizie sul meteo spaziale
| Ultimo brillamento X | 2026/02/04 | X4.21 |
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