Просмотр архива за четверг, 5 сентября 2019
Daily bulletin on solar and geomagnetic activity from the SIDC
Существующий: 2019 Sep 05 1231 UTC
SIDC Forecast
Солнечные вспышки
Quiet conditions (<50% probability of C-class flares)
Geomagnetism
Quiet (A<20 and K<4)
Солнечные протоны
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 05 Sep 2019 | 069 | 015 |
| 06 Sep 2019 | 069 | 007 |
| 07 Sep 2019 | 069 | 013 |
Bulletin
No active regions visible on the disk. Solar activity has been very low, no flares in the past 24 h. The situation is not expected to change in the next 48 h.
No Earth directed CMEs in past 24 h. Solar protons have remained at background levels over the past 24 hours.
The solar wind speed is at 520 km/s with interplanetary magnetic field magnitude of 3 nT. Geomagnetic conditions ranged between 2 and 4 (both for Kp and K Dourbes). The active periods observed early today were due to slightly high speed solar wind (~550 km/s) with negative Bz (up to -5 nT), lasting for several hours. The fast solar wind stream associated with a negative polarity coronal hole is expected to arrive to the Earth on September 7. Quiet to unsettled geomagnetic conditions expected until then.
Today's estimated international sunspot number (ISN): 000, based on 24 stations.Solar indices for 04 Sep 2019
| Wolf number Catania | /// |
| 10cm solar flux | 069 |
| AK Chambon La Forêt | 024 |
| AK Wingst | 016 |
| Estimated Ap | 014 |
| Estimated international sunspot number | 000 - Based on 32 stations |
Noticeable events summary
| Day | Begin | Max | Конец | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
|---|---|---|---|---|---|---|---|---|---|---|
| Нет | ||||||||||
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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