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Daily bulletin on solar and geomagnetic activity from the SIDC
Существующий: 2019 Jul 29 1230 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 | |
|---|---|---|
| 29 Jul 2019 | 067 | 007 |
| 30 Jul 2019 | 068 | 007 |
| 31 Jul 2019 | 068 | 010 |
Bulletin
No active regions visible on the Sun. No flares observed, nor expected.
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 375 km/s with interplanetary magnetic field magnitude of 3 nT. Quiet conditions have been observed in the past 24. Geomagnetic activity will remain quiet until the high speed solar wind from a negative polarity equatorial coronal hole arrives to the Earth on July 31 - August 1.
Today's estimated international sunspot number (ISN): 000, based on 19 stations.Solar indices for 28 Jul 2019
| Wolf number Catania | /// |
| 10cm solar flux | 067 |
| AK Chambon La Forêt | 010 |
| AK Wingst | 006 |
| Estimated Ap | 005 |
| Estimated international sunspot number | 000 - Based on 17 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
Все время в UTC
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