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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2021 Nov 22 1231 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
22 Nov 2021	081	007
23 Nov 2021	081	007
24 Nov 2021	081	007

Bulletin

Two active regions visible on the Sun (alpha magnetic field configuration). There have been no C-class flares in the past 24 hours, no changes are expected in the next 24 hours

No Earth directed CMEs have been observed in coronagraph data.

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 at nominal levels in the past 24 hours, and may reach moderate levels 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 in the next 24 hours.

The Earth is still under the influence of a high speed stream from a negative polarity coronal hole, the solar wind speed as registered by DSCOVR is around 590 km/s. The Interplanetary Magnetic Field near Earth (IMF) was oriented towards the Sun and its magnitude is about 2 nT. There were no extended intervals with Bz below -5 nT. A decrease in solar wind speed is expected for the next 24 hours.

Quiet to unsettled geomagnetic conditions (K-BEL and Kp between 1 and 3) were registered in the past 24 hours. Similar conditions are expected for the next 24 hours, with active periods possible.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 022, basierend auf 16 Stationen.

Solarindizes für den 21 Nov 2021

Wolf-Zahl Catania	///
10cm Solarflux	079
AK Chambon La Forêt	021
AK Wingst	016
Geschätzer Ap-Wert	014
Geschätzte internationale Sonnenfleckenzahl	021 - Basierend auf 19 Stationen

Zusammenfassung auffälliger Ereignisse

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

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