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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2022 Mar 24 1244 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
24 Mar 2022	107	016
25 Mar 2022	107	017
26 Mar 2022	107	017

Bulletin

The solar activity was active with several C-class flares recorded over the last 24 hours. The most important flare was a C8.1-class flare observed on March 24 with a peak time at 01:42 UTC from the newly numbered sunspot regions NOAA-AR 2975 close to the limb. For the next 24 hours, C-class flares are expected.

No Earth directed Coronal Mass Ejection (CME) has been detected in the available coronagraph imagery over the last 24 hours.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours and is expected to remain at nominal levels in the next 24 hours. The greater than 2 MeV electron flux remained below the 1000 pfu alert threshold and is expected to be close to the threshold in the next 24 hours. The greater than 2 MeV electron fluence was moderate levels in the past 24 hours and is expected to be at between nominal and moderate levels in the next 24 hours.

The solar wind parameters in Earth environment (as recorded by DSCOVR) showed a fast solar wind speed regime. The solar wind speed increased from about 400 km/s to the current values around 550 km/s, the interplanetary magnetic field reached 9.9 nT on March 24 around 00:00 UTC then decreased to values around 5 nT. The southward Bz-component was fluctuating between -6.8 nT and 7.8 nT. The solar wind parameters are reflecting high-speed streams associated to the equatorial coronal hole facing Earth last March 20 (positive magnetic polarity).

The geomagnetic conditions were quiet to unsettled levels (K-BEL and NOAA- Kp recorded values of 1-3). Geomagnetic conditions are expected to be unsettled with possible short periods of active conditions.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 045, basierend auf 17 Stationen.

Solarindizes für den 23 Mar 2022

Wolf-Zahl Catania	///
10cm Solarflux	106
AK Chambon La Forêt	015
AK Wingst	///
Geschätzer Ap-Wert	008
Geschätzte internationale Sonnenfleckenzahl	046 - Basierend auf 29 Stationen

Zusammenfassung auffälliger Ereignisse

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

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