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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2026 Mar 24 1258 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

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

Sonnenprotonen

Quiet

	10cm Fluss	Ap
24 Mar 2026	123	017
25 Mar 2026	118	013
26 Mar 2026	115	006

Solaraktive Regionen und Flares

Solar flaring activity was low over the past 24 hours, with four C1 flares identified. SIDC Sunspot Group (SG) 831 (NOAA Active Region [AR] 4402, Beta magnetic configuration) produced two of those flares, while SIDC SG 828 (NOAA AR 4398, Beta magnetic configuration) and SIDC SG 826 (NOAA AR 4400, Beta-Gamma-Delta magnetic configuration) produced the rest. More C-class flaring activity is expected in the next 24 hours.

Koronaler Massenauswurf

No Earth-directed Coronal Mass Ejections (CME) were observed in the last 24 hours.

Sonnenwind

The Solar Wind (SW) conditions remain affected by a High Speed Stream (HSS) during the past 24 hours. However, the effect is waning as the SW speed gradually felt from 730 to as low as 570 km/s. The interplanetary magnetic field (B) ranged from 2 nT to 6 nT, and its North-South component (Bz) varied from -6 nT to 4 nT. For the next 24 hours the HSS effect is expected to cease and the SW gradually return to a slow SW regime.

Geomagnetismus

During the past 24 hours the global geomagnetic conditions first reached minor storm levels (NOAA Kp 5 at 15:00 - 18:00 UTC and 5- at 12:00 - 15:00 UTC) and then decreased to unsettled to active levels. The local conditions followed a similar pattern during the same period of time with K BEL 5 at 15:00 - 21:00 UTC and quiet to active levels for the rest of the past 24 hours. Further decrease of the K indices is expected in the next 24 hours, as active to quiet conditions are expected to prevail.

Protonenflusswerte

The greater than 10 MeV proton flux, as measured by the GOES-19 satellite, was at background levels over the past 24 hours and is likely to remain so in the next 24 hours.

Elektronenflüsse im geostationären Orbit

During the past 24 hours, the greater than 2 MeV electron flux as measured by GOES 19 was above the 1000 pfu alert threshold, with a peak value of 7000 pfu. For the rest of the past 24 hours a further increase is expected. During the past 24-hours the electron fluence increased but remained at moderate levels. In the next 24 hours it is expected to increase further and probably reach high levels.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 113, basierend auf 18 Stationen.

Solarindizes für den 23 Mar 2026

Wolf-Zahl Catania	///
10cm Solarflux	124
AK Chambon La Forêt	036
AK Wingst	040
Geschätzer Ap-Wert	037
Geschätzte internationale Sonnenfleckenzahl	111 - Basierend auf 24 Stationen

Zusammenfassung auffälliger Ereignisse

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

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