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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2016 Oct 18 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
18 Oct 2016	078	013
19 Oct 2016	079	012
20 Oct 2016	080	017

Skrót wiadomości

Over the past 24 hours solar activity has been low. there were no significant flares and all Active Regions (AR) have shown low levels of activity. Solar protons have remained at background levels over the past 24 hours. Solar activity is expected to remain low over the next 24 hours with a low probability of C-class flares. There is evidence in EUV imagery (EUV wave and dimming) of a small eruption at 21:10 UT on 2016-Oct-17, from AR 2602 (Mcintosh class:Cao; Mag. type:Beta). As the source is near disk centre it may produce a halo CME in coronagraph imagery. However, Coronagraph imagery for this period is currently unavailable. The size of the wave and the dimming indicate a small eruption, but possibly Earth directed, if significant a PRESTO will be issued. The solar wind speed has been slowly decreasing from around between 750 and 600 km/s over the past 24 hours. The total magnetic field strength has remained around 5 nT. The Bz component fluctuated around 0 nT, ranging between -5 and +5 nT. Geomagnetic conditions ranged between Kp index 2-4 (NOAA) and local K index 2-4 (Dourbes) over the past 24 hours. The enhanced solar wind speeds are associated with a High Speed Stream (HSS) from a large negative polarity Southern polar coronal hole located in the western hemisphere. As the hole rotates towards the limb the speed is expected to abate. Geomagnetic conditions are expected to be quiet to unsettled.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 029, na podstawie 13 stacji.

Indeksy solarne na 17 Oct 2016

Liczba Wolfa z Katanii	024
Fale radiowe 10,7 cm	076
AK Chambon La Forêt	035
AK Wingst	025
Szacunkowa Ap	025
Szacowana międzynarodowa liczba plam słonecznych	029 - Na podstawie stacji 22

Podsumowanie wydarzeń godnych uwagi

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

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