Välja antud: 2013 Jan 25 1214 UTC
Quiet conditions (<50% probability of C-class flares)
Active conditions expected (A>=20 or K=4)
Quiet
10 cm vool | Ap | |
---|---|---|
25 Jan 2013 | 103 | 005 |
26 Jan 2013 | 101 | 007 |
27 Jan 2013 | 098 | 013 |
The solar activity is very low, there were no C-class flares reported during last 5 days. The C-class flares are still possible but not very probable. A partial halo CME was detected by SOHO/LASCO on January 23. The CME was first observed in the SOHO/LASCO C2 field of view at about 14:00 UT, had angular width of about 240 degrees and projected speed around 500 km/s. It was associated with a prominence eruption and EIT wave, situated at that moment on the North-East quadrant of the Sun. It seems that the CME was directed somewhat northward of the Sun-Earth line. Therefore, we expect the arrival of only a CME-driven shock at the Earth, probably late on January 26 or early on January 27. It might result in active geomagnetic conditions. The solar wind speed is currently about 400 km/s and slowly increasing what is probably indication of the arrival of the fast solar wind stream from a low-latitude coronal hole in the southern hemisphere. The Bz component of the interplanetary magnetic field is fluctuating, with occasional intervals of negative values (up to -5 nT). We expect quiet to possibly active geomagnetic conditions in the next 24 hours.
Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 028, põhineb 06 jaamadel.
Catania Wolfi number | 061 |
10cm päikesevoog | 103 |
AK Chambon La Forêt | 005 |
AK Wingst | 001 |
Hinnanguline Ap | 001 |
Hinnanguline rahvusvaheline päikeselaikude arv | 039 - Põhineb 14 jaamal |
Päev | Algus | Maks | Lõpp | Lokatsioon | Tugevus | OP | 10cm | Raadiosignaalipursete tüübid | Catania/NOAA | |
---|---|---|---|---|---|---|---|---|---|---|
Puuduvad |
Andmed on esitanud Päikeseinfektide Andmeanalüüsi Keskus (Solar Influences Data Analysis Center)© - SIDC - Töötleb SpaceWeatherLive
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