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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 Jan 12 1233 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
12 Jan 2020	073	005
13 Jan 2020	073	013
14 Jan 2020	073	019

Bulletin

The solar activity has been at low levels over the past 24 hours. The sun is currently spotless and the X-ray flux is below C-level. The solar activity is expected to remain at low levels for the next 24 hours.

No earth-directed coronal mass ejection was identified in the available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal values.

The solar wind environment was returning towards an ambient background and slow solar wind speed regime. The solar wind speed globally decreased from 450 km/s to about 340 km/s, the total magnetic field fluctuated between 1 nT and 6 nT, and the southern component of the magnetic filed was between -4 nT and 5.5 nT (as recorded by the ACE spacecraft). We anticipate enhancements of the solar wind tomorrow Jan 13 close to the end of the day due to the high-speed streams from the returning positive polarity coronal holes that reached the central meridian on Jan 10.

Quiet geomagnetic conditions were observed is expected for the next 24 hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 14 Stationen.

Solarindizes für den 11 Jan 2020

Wolf-Zahl Catania	///
10cm Solarflux	074
AK Chambon La Forêt	010
AK Wingst	006
Geschätzer Ap-Wert	005
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 18 Stationen

Zusammenfassung auffälliger Ereignisse

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

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