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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2021 Jun 01 1231 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
01 Jun 2021	080	004
02 Jun 2021	080	011
03 Jun 2021	080	012

Skrót wiadomości

The solar activity was slightly more active over the past 24 hours, with a C1.6-calss flare peaking at 04:35 UTC on June 01 located in the bipolar sunspot group (Catania sunspot group 1, NOAA 2827). The bipolar region (Catania sunspot group 1, NOAA 2827) continued to grow and may produce more C-class flare and potentially an M-class flare. Two new regions are about the rotated over the East limb and may increase slightly the solar activity.

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

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours and is expected to remain so for the next 24 hours. The greater than 2 MeV electron flux was below the 1000 pfu threshold in the past 24 hours and is expected to remain so during the next 24 hours. The 24h electron fluence was at normal levels in the last 24 hours and is expected to stay at normal levels for the next 24 hours.

The solar wind parameters (as observed by ACE and DSCOVR) show a return towards an ambient background and slow solar wind speed regime. The solar wind speed decreased from 400 km/s to 303 km/s. The interplanetary magnetic field magnitude was below 3.5 nT, and Bz components varied between -2.0 nT and 2.2 nT. The high-speed stream associated with the equatorial coronal hole (that reached the central meridian on May 31) is expected to enhance the solar wind condition in about 1-2 days. There is a very slight chance that the coronal mass ejection observed on May 28 provides a glancing blow to the Earth and enhancing the solar wind conditions today or tomorrow.

The geomagnetic conditions were quiet over the past 24 hours. The conditions are expected to remain mostly quiet as the Earth is expected to remain in slow solar wind speed regime for the next 24 hours. However, there is a very slight chance that the coronal mass ejection of May 28 provides a glancing blow to the Earth, this could result in active geomagnetic activity with a minor storm today or tomorrow.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 019, na podstawie 26 stacji.

Indeksy solarne na 31 May 2021

Liczba Wolfa z Katanii	///
Fale radiowe 10,7 cm	082
AK Chambon La Forêt	005
AK Wingst	002
Szacunkowa Ap	002
Szacowana międzynarodowa liczba plam słonecznych	029 - Na podstawie stacji 51

Podsumowanie wydarzeń godnych uwagi

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

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