Välja antud: 2017 Oct 27 1230 UTC
Quiet conditions (<50% probability of C-class flares)
Quiet (A<20 and K<4)
Quiet
10 cm vool | Ap | |
---|---|---|
27 Oct 2017 | 077 | 007 |
28 Oct 2017 | 077 | 007 |
29 Oct 2017 | 077 | 007 |
Quiet solar conditions were reported with the X-ray flux seeing only a low B1.8 class flare peaking at 00:44UT from Catania group 61 (NOAA region 2686). Both active regions on disk are relatively simple (Mag.Type: Alpha) and small. The X-ray flux is expected to remain below C level. Proton flux levels were at background values and are expected to remain so. No Earth directed CME's were recorded in coronagraph data.
Solar wind saw the decline of the coronal hole high speed stream influence, with solar wind velocity dropping steadily from near 575 km/s at the start of the period to around 450 km/s presently. At the start of the period total magnetic field was around 6.5nT with a prolonged period of negative values of the Bz component (-5nT). Afterwards total magnetic field was at a nominal 5nT level with a variable Bz. The magnetic field phi angle indicated predominantly connection to a positive sector. Solar wind conditions should continue to be at nominal levels. Some active geomagnetic conditions were recorded at the start of the period (both local K Dourbes and NOAA Kp 4) easing to quiet to unsettled conditions for the remainder of the period (local K Dourbes 1-2 and NOAA Kp 1-3). Quiet to unsettled geomagnetic conditions are expected over the next days.
Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 024, põhineb 21 jaamadel.
Catania Wolfi number | 024 |
10cm päikesevoog | 077 |
AK Chambon La Forêt | 027 |
AK Wingst | 020 |
Hinnanguline Ap | 021 |
Hinnanguline rahvusvaheline päikeselaikude arv | 024 - Põhineb 21 jaamal |
Päev | Algus | Maks | Lõpp | Lokatsioon | Tugevus | OP | 10cm | Catania/NOAA | Raadiosignaalipursete tüübid | |
---|---|---|---|---|---|---|---|---|---|---|
Puuduvad |
Andmed on esitanud Päikeseinfektide Andmeanalüüsi Keskus (Solar Influences Data Analysis Center)© - SIDC - Töötleb SpaceWeatherLive
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