Przeglądasz Archiwum z niedziela, 24 grudnia 2017

Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2017 Dec 24 1230 UTC

Prognoza SIDC

Rozbłyski słoneczne

Quiet conditions (<50% probability of C-class flares)

Geomagnetyzm

Active conditions expected (A>=20 or K=4)

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
24 Dec 2017	076	023
25 Dec 2017	076	031
26 Dec 2017	075	013

Skrót wiadomości

Solar activity was very low with X-ray flux remaining below B level, apart from a single B1 flare from the only region on disk (Catania group 67, NOAA active region 2692). There is a relatively small chance for C -flaring over the next days. Around 18:00 UT a filament eruption was visible in the North Eastern quadrant. Coronagraph images do not reveal any associated CME signatures. No Earth directed CMEs were recorded in coronagraph images. Proton flux levels are at background values and expected to remain so.

Solar wind showed the expected arrival of the high speed stream from the equatorial negative polarity coronal hole. Solar wind speed first increased to 400 km/s but then declined again in the afternoon of December 23. Since midnight it is increasing again to close to 500 km/s currently. Total magnetic field in the compression region measured mostly in the 9-12nT range with a peak of over 14.5nT around 7:20UT. The magnetic field Bz component was variable with excursions down to -9nT. Solar wind speed is expected to further increase and remain elevated over the next few days under influence of the coronal hole high speed stream. Geomagnetic conditions were quiet to unsettled (local K Dourbes 0-2 and NOAA Kp 0-3). Geomagnetic conditions are expected to be unsettled to active with minor geomagnetic storms possible under the influence of the high speed stream.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 026, na podstawie 07 stacji.

Indeksy solarne na 23 Dec 2017

Liczba Wolfa z Katanii	///
Fale radiowe 10,7 cm	076
AK Chambon La Forêt	008
AK Wingst	005
Szacunkowa Ap	004
Szacowana międzynarodowa liczba plam słonecznych	027 - Na podstawie stacji 12

Podsumowanie wydarzeń godnych uwagi

Dostarczone przez Centrum Analizy Danych Wpływów Słonecznych© - SIDC - Przetworzone przez SpaceWeatherLive

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