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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2017 Oct 20 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
20 Oct 2017	072	015
21 Oct 2017	074	016
22 Oct 2017	074	007

Skrót wiadomości

The Sun produced only two very low B flares in the past 24 hours. The probability for a C flare in the next 24 hours is estimated at 25%, mostly from returning NOAA region 2682 which is approaching the East limb. 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 wind speed measured by DSCOVR increased from about 375 km/s to a maximum around 500 km/s near 21h UT on October 19, with current values around 450 km/s. The Interplanetary Magnetic Field (IMF) was predominantly directed away from the Sun and its magnitude ranged between about 3 and 11 nT. Bz was often below -5 nT between 12h and 18h UT on October 19, which is when solar wind speed was still in its ascending phase. This solar wind with elevated parameters probably originates from the (positive) north polar coronal hole. Quiet to active geomagnetic conditions (K Dourbes between 2 and 4; NOAA Kp between 2 and 4) were registered in the past 24 hours. Active geomagnetic levels (K Dourbes = 4) are possible on October 20 and 21. Quiet to unsettled geomagnetic levels (K Dourbes < 4) are expected on October 22.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 000, na podstawie 18 stacji.

Indeksy solarne na 19 Oct 2017

Liczba Wolfa z Katanii	000
Fale radiowe 10,7 cm	073
AK Chambon La Forêt	022
AK Wingst	014
Szacunkowa Ap	015
Szacowana międzynarodowa liczba plam słonecznych	000 - Na podstawie stacji 31

Podsumowanie wydarzeń godnych uwagi

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

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