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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2021 Dec 13 1235 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
13 Dec 2021	080	009
14 Dec 2021	082	012
15 Dec 2021	082	012

Skrót wiadomości

Three active regions are visible on the Sun (newly emerged Catania 82 and Catania 84 as well as Catania 83/NOAA 2905, all beta magnetic field configuration). The most interesting is Catania 84, which has been source of activity on Dec 9 and 10 as seen in Stereo A, as well as the source of a C1.2-class flare recorded by GOES on Dec 12 20:55UT. C-class flares could be expected with a low probability in the next 24 hours for the same region.

No Earth directed CMEs were observed in the past 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 this level during the next 24 hours. The greater than 2 MeV electron fluence was at nominal levels in the past 24 hours and is expected remain so in the next 24 hours.

The solar wind parameters (ACE+DSCOVR) are in the slow regime, with what seems to be slight influence from a boundary crossing. The total magnetic field reached 9 nT, and its southward component, Bz, fluctuated between -6 nT and +5 nT in the past 24 hours. The solar wind speed remained slow, ranging between 290 km/s and 335 km/s. By the end of the next 24 hours they could be slightly enhanced due to the influence to the high-speed stream emanating from the small equatorial negative polarity coronal hole that appeared on Dec 12.

Geomagnetic conditions were quiet to unsettled over the past 24 hours (NOAA Kp 0-2 and and K-BEL recorded values 0-3). Geomagnetic conditions are expected to remain mostly quiet with some unsettled periods in response to the influence of the wind stream associated with the small equatorial coronal hole.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 029, na podstawie 07 stacji.

Indeksy solarne na 12 Dec 2021

Liczba Wolfa z Katanii	///
Fale radiowe 10,7 cm	080
AK Chambon La Forêt	006
AK Wingst	003
Szacunkowa Ap	003
Szacowana międzynarodowa liczba plam słonecznych	014 - Na podstawie stacji 11

Podsumowanie wydarzeń godnych uwagi

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

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