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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2025 Mar 11 1231 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
11 Mar 2025	150	007
12 Mar 2025	154	007
13 Mar 2025	154	012

Solaraktive Regionen und Flares

Solar flaring activity was low over the past 24 hours, with only C-class flares identified. The largest flare was a C2.1 flare (SIDC Flare 3798) peaking on March 10 at 20:32 UTC, which was produced by SIDC Sunspot Group 428 (NOAA Active Region 4019). A total of 5 numbered sunspot groups were identified on the disk over the past 24 hours. SIDC Sunspot Group 428 (NOAA Active Region 4019) is the most complex active region (Beta-Gamma-Delta). 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.

Koronaler Massenauswurf

No new Earth-directed Coronal Mass Ejections (CMEs) have been detected in the available coronagraph images.

Sonnenwind

Slow solar wind conditions were recorded over the past 24 hours. The interplanetary magnetic field was between 4 and 6 nT, with the Bz reaching a minimum value of -5 nT. Slow solar wind conditions are expected in the next 24 hours.

Geomagnetismus

Geomagnetic conditions were globally and locally quiet to unsettled (Kp 3 and K Bel 3). Quiet conditions are expected in the next 24 hours.

Protonenflusswerte

The greater than 10 MeV proton flux remained below the 10 pfu threshold and is expected to remain so over the next days.

Elektronenflüsse im geostationären Orbit

The greater than 2 MeV electron flux was above the 1000 pfu threshold and is expected to remain close to that thresholds in the upcoming days. The 24h electron fluence was at nominal level and is expected to remain so in the next days.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 132, basierend auf 07 Stationen.

Solarindizes für den 10 Mar 2025

Wolf-Zahl Catania	111
10cm Solarflux	149
AK Chambon La Forêt	015
AK Wingst	009
Geschätzer Ap-Wert	009
Geschätzte internationale Sonnenfleckenzahl	105 - Basierend auf 25 Stationen

Zusammenfassung auffälliger Ereignisse

Zur Verfügung gestellt vom Solar Influences Data Analysis Center© - SIDC - Verarbeitet von SpaceWeatherLive

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