Välja antud: 2017 Nov 18 1230 UTC
Quiet conditions (<50% probability of C-class flares)
Quiet (A<20 and K<4)
Quiet
10 cm vool | Ap | |
---|---|---|
18 Nov 2017 | 076 | 009 |
19 Nov 2017 | 077 | 014 |
20 Nov 2017 | 076 | 013 |
There are presently 2 numbered sunspot groups on the visible side of the solar disc, Catania sunspot group 63 (NOAA AR 2687) and group 64 (NOAA AR 2688). Solar flaring activity remains to be low without C-class flares reported. We expect such a low flaring activity to persist, isolated low C-class flares are possible but not very probable (probability of only about 10%). There were no Earth directed CMEs reported, and the solar protons remained at background level. The solar wind speed is presently about 410 km/s and the interplanetary magnetic field magnitude is about 4 nT. The fast solar wind associated with the large equatorial coronal hole (reached central meridian in the early morning of November 16) is expected to arrive at the Earth in the afternoon of November 19. The arrival of this fast flow might be preceded with the solar wind speed increase expected to start later today (associated with the low latitude extension of the southern polar coronal hole which reached central meridian in the late evening of November 13). The geomagnetic conditions are presently quiet, we expect unsettled to active geomagnetic conditions tomorrow due to the arrival of the fast solar wind.
Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 015, põhineb 12 jaamadel.
Catania Wolfi number | 031 |
10cm päikesevoog | 076 |
AK Chambon La Forêt | 008 |
AK Wingst | 004 |
Hinnanguline Ap | 004 |
Hinnanguline rahvusvaheline päikeselaikude arv | 023 - Põhineb 32 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
Kõik ajad UTC-s
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