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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2022 Jan 28 1235 UTC

Prognoza SIDC

Rozbłyski słoneczne

C-class flares expected, (probability >=50%)

Geomagnetyzm

Quiet (A<20 and K<4)

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
28 Jan 2022	108	008
29 Jan 2022	108	007
30 Jan 2022	108	011

Skrót wiadomości

Solar activity was relatively quiet over the last 24 hours beside the number of bipolar sunspot groups visible on the disc. Several C-class flares were recorded and produced by the currently most active region: Catania bipolar sunspot group 17 (NOAA-AR 2936). The other sunspot groups did not show any significant flaring activity. Solar activity is expected to remain slightly active with possible C-class flares in the next 24 hours.

No Earth directed Coronal Mass Ejection (CME) has been detected in the available coronagraph imagery over the last 24 hours.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours and is expected to remain at nominal levels in the next 24 hours. The greater than 2 MeV electron flux remained below the 1000 pfu alert threshold and is expected to remain below the threshold in the next 24 hours. The greater than 2 MeV electron fluence dropped to nominal levels in the past 24 hours and is expected remained at nominal levels in the next 24 hours.

The solar wind parameters measured in the Earth environment (by DSCOVR) remained slightly enhanced under the influence of the effect from the solar high-speed stream connected to the Coronal Hole (positive magnetic polarity) that crossed the central meridian on January 21. The solar wind speed continued reached 543 km/s, the interplanetary magnetic field decreased to values below 5 nT, and its southward Bz-component fluctuated between -3.1 nT and 1.1 nT. The solar wind conditions are expected to slowly decreased. Then, the effect of the high-speed streams associated to the recurrent equatorial coronal hole facing Earth last January 26 (positive magnetic polarity) is expected to impact the solar wind conditions in about 1-2 days.

Geomagnetic conditions were quiet to unsettled (K_Bel 1-3) and at planetary levels (NOAA-Kp 1-3). Mainly quiet geomagnetic conditions are expected with possible short period of unsettled conditions in response to the high- speed streams from an equatorial Coronal Hole (that crossed the central meridian on January 21).

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 077, na podstawie 16 stacji.

Indeksy solarne na 27 Jan 2022

Liczba Wolfa z Katanii	095
Fale radiowe 10,7 cm	107
AK Chambon La Forêt	015
AK Wingst	008
Szacunkowa Ap	007
Szacowana międzynarodowa liczba plam słonecznych	080 - Na podstawie stacji 19

Podsumowanie wydarzeń godnych uwagi

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

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