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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2021 Nov 27 1231 UTC

Vorhersage des SIDC

Sonneneruptionen

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Minor storm expected (A>=30 or K=5)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
27 Nov 2021	087	012
28 Nov 2021	088	017
29 Nov 2021	089	007

Bulletin

Three active region visible on the Sun (beta magnetic field configuration). There have been no C-class flares in the past 24 hours, they are possible in the next 24 hours.

The partial halo CME from November 24 is expected to arrive early on 28 November.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours. The greater than 2 MeV electron flux was slightly over the threshold for a few hours, it may increase again over the threshold in the next 24 hours. The greater than 2 MeV electron fluence was at normal levels in the past 24 hours, and is expected to stay at normal levels or go into moderate levels in the next 24 hours.

The solar wind speed as registered by DSCOVR is around 340 km/s. The Interplanetary Magnetic Field near Earth (IMF) magnitude is about 5 nT. There were no extended intervals with Bz below -5 nT. A high speed solar wind stream can be expected today.

Quiet conditions (K-BEL and Kp between 0 and 2) were registered in the past 24 hours. Active and minor storm conditions are be possible upon the arrival of the high speed solar wind stream and the ICME from 24 November.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 037, basierend auf 14 Stationen.

Solarindizes für den 26 Nov 2021

Wolf-Zahl Catania	079
10cm Solarflux	092
AK Chambon La Forêt	004
AK Wingst	003
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	040 - Basierend auf 15 Stationen

Zusammenfassung auffälliger Ereignisse

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

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