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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2018 Apr 29 1231 UTC
SIDC Forecast
Brillamenti solari
Quiet conditions (<50% probability of C-class flares)
Geomagnetism
Quiet (A<20 and K<4)
Protoni solari
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 29 Apr 2018 | 070 | 007 |
| 30 Apr 2018 | 069 | 007 |
| 01 May 2018 | 069 | 007 |
Bulletin
There are no active region on the disc. No C-class flares in past 24 h and the situation is not expected to change.
No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 h.
The solar wind speed at L1 is at 350 km /s with interplanetary magnetic field magnitude of 5 nT. Geomagnetic conditions are quiet and expected to remain so.
Today's estimated international sunspot number (ISN): 000, based on 12 stations.Solar indices for 28 Apr 2018
| Wolf number Catania | /// |
| 10cm solar flux | 070 |
| AK Chambon La Forêt | 005 |
| AK Wingst | 004 |
| Estimated Ap | 003 |
| Estimated international sunspot number | 000 - Based on 25 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
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