Przeglądasz Archiwum z czwartek, 25 stycznia 2018

Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2018 Jan 25 1230 UTC

Prognoza SIDC

Rozbłyski słoneczne

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

Geomagnetyzm

Quiet (A<20 and K<4)

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
25 Jan 2018	070	009
26 Jan 2018	069	007
27 Jan 2018	069	010

Skrót wiadomości

Solar activity was at very low levels. The Sun is spotless. No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels.

Solar activity is expected to remain at very low levels.

Earth crossed a fold in the Heliospheric Current Sheet (HCS) on 24 January. The interplanetary magnetic field (IMF) was mostly directed away from the Sun from 02UT until about 20UT, after which it switched to a mostly towards orientation. Solar wind speed gradually increased from an initial 350 km/s to 400 km/s around 20UT, after which it remained steady in the range of 400-420 km/s. Bz oscillated between -9 and +8 nT, with a longer stretch of mostly negative values between 20-01UT (DSCOVR). A small negative equatorial coronal hole (CH) and the extension of a positive polar CH are transiting the central meridian.

The geomagnetic field was at quiet to unsettled conditions, with an active episode recorded during the 21-24UT interval. Mostly quiet to unsettled conditions with a chance on an active episode are expected for the coming days, in view of possible further crossings of the HCS and the potential arrival of the wind streams associated with the aforementioned CHs around 27 and 28 January.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 000, na podstawie 05 stacji.

Indeksy solarne na 24 Jan 2018

Liczba Wolfa z Katanii	000
Fale radiowe 10,7 cm	070
AK Chambon La Forêt	019
AK Wingst	011
Szacunkowa Ap	010
Szacowana międzynarodowa liczba plam słonecznych	000 - Na podstawie stacji 19

Podsumowanie wydarzeń godnych uwagi

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

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