Przeglądasz Archiwum z niedziela, 28 lutego 2021

Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2021 Feb 28 1243 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
28 Feb 2021	079	003
01 Mar 2021	079	009
02 Mar 2021	079	011

Skrót wiadomości

During the last 24 hours, region Catania 74/NOAA AR 2804 (N20W63) was the origin of a C2.7 class flare on Feb 27 17:51UT and C3.9 class flare on Feb 28 06:40UT. The solar flaring activity is expected to remain at low levels for the next 24 hours, with a small chance of C class flares from AR 2804.

The C2.7 class flare was associated with a CME seen at Lasco at Feb 27 17:36UT. More will be reported as more data become available.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours and is expected to remain so in the next 24 hours. Over the past 24 hours, the greater than 2 MeV electron flux fluctuated about the 1000 pfu threshold. It is expected to remain at about threshold levels for the next 24 hours. The greater than 2 MeV electron fluence was at moderate levels in the past 24 hours. It is expect to remain so for the next 24 hours.

The past 24 hours the solar wind speed ranged between 345 km/s and 400 km/s. The total magnetic field values were between 2 nT and 4 nT. The Bz component fluctuated between -3 nT and 4 nT. The orientation of the Interplanetary Magnetic Field (IMF) was predominantly on the postive sector (away from the Sun). Over the next 24 hours the solar wind parameters are expected to remain at about those levels, as we are awaiting for the effects of the high speed streams associated the with northern positive Coronal Hole (CH) and mainly the southern negative CH that crossed Central Meridian on Feb26 from late March 1.

The geomagnetic conditions over the past 24 hours were quiet . They are expected to remain at quiet to unsettled levels for the next 24 hours.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 013, na podstawie 21 stacji.

Indeksy solarne na 27 Feb 2021

Liczba Wolfa z Katanii	///
Fale radiowe 10,7 cm	079
AK Chambon La Forêt	006
AK Wingst	///
Szacunkowa Ap	005
Szacowana międzynarodowa liczba plam słonecznych	016 - Na podstawie stacji 28

Podsumowanie wydarzeń godnych uwagi

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

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