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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2026 May 28 1231 UTC

Prognoza SIDC

Rozbłyski słoneczne

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

Geomagnetyzm

Active conditions expected (A>=20 or K=4)

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
28 May 2026	142	014
29 May 2026	143	014
30 May 2026	144	013

Aktywne obszary słoneczne i rozbłyski

Solar flaring activity has been low over the last 24 hours, with a few C-class flares. The strongest flare was a C3.4 flare (SIDC Flare 7790) peaking at 12:16 UTC on May 27, associated with SIDC Sunspot Group 876 (NOAA Active Region 4451, magnetic type beta). There are currently twelve numbered active regions on the solar disk. The most complex ones have a beta magnetic configuration. SIDC Sunspot Group 883 (NOAA Active Region 4453, magnetic type beta) and SIDC Sunspot Group 872 (NOAA Active Region 4443, magnetic type alpha) are currently rotating across the west limb. SIDC Sunspot Group 880 (NOAA Active Region 4450) and SIDC Sunspot Group 881 have decayed into plage. The solar flaring activity is expected to be low over the next 24 hours, with C-class flares very likely and a chance for M-class flares.

Koronalny wyrzut masy

No Earth-directed Coronal Mass Ejections (CMEs) were observed in the available coronagraph imagery during the last 24 hours.

Dziury koronalne

A small, equatorial, negative polarity coronal hole (SIDC Coronal Hole 165) is crossing the central meridian. A mild associated high- speed stream may arrive at Earth starting from the UTC evening on May 31.

Wiatr słoneczny

Over the last 24 hours, the solar wind parameters (ACE and DSCOVR) reflected slow solar wind conditions. The solar wind speed varied between 380 km/s and 430 km/s. The interplanetary magnetic field was between 6 nT and 10 nT. The Bz component varied between -8 nT and 7 nT. The interplanetary magnetic field angle phi was predominantly in the negative sector. Mostly slow solar wind conditions are expected over the next 24 hours, with a chance for enhanced conditions in case of the late arrival of a mild, high-speed stream from the southern, negative polarity coronal hole (SIDC Coronal Hole 149).

Geomagnetyzm

Geomagnetic conditions globally were quiet to unsettled (NOAA Kp 2 to 3) during the last 24 hours. Geomagnetic conditions locally were quiet to unsettled (K Bel 1 to 3) during the last 24 hours. Mostly unsettled to active conditions (NOAA Kp 3 to 4), with a small chance for isolated minor storm intervals (NOAA Kp 5) are expected over the next 24 hours, in case of the late arrival of a mild, high-speed stream from the southern, negative polarity coronal hole (SIDC Coronal Hole 149).

Poziomy przepływu protonów

The greater than 10 MeV proton flux was below the 10 pfu threshold during the last 24 hours. It is expected to remain below the threshold level over the next 24 hours.

Strumienie elektronów na orbicie geostacjonarnej

The greater than 2 MeV electron flux measured by GOES 18 and GOES 19 was below the 1000 pfu threshold during the last 24 hours. The 24-hour electron fluence was at normal levels and it is expected to remain so over the next 24 hours.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 158, na podstawie 24 stacji.

Indeksy solarne na 27 May 2026

Liczba Wolfa z Katanii	211
Fale radiowe 10,7 cm	142
AK Chambon La Forêt	018
AK Wingst	014
Szacunkowa Ap	015
Szacowana międzynarodowa liczba plam słonecznych	177 - Na podstawie stacji 30

Podsumowanie wydarzeń godnych uwagi

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

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