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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Dec 22 1230 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 Dec 2018	071	002
23 Dec 2018	071	005
24 Dec 2018	071	006

Bulletin

The Sun is currently spotless and did not produce any B class flares or higher over the past 24 hours. The chance for a C flare in the next 24 hours is estimated low. No Earth-directed CMEs were detected in available coronagraph imagery.

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours, and is expected to stay at nominal levels for the next 24 hours.

The solar wind speed near Earth as registered by DSCOVR gradually decreased from about 500 to 400 km/s over the past 24 hours, following the influence of a solar wind stream associated with an isolated negative polarity coronal hole. The Interplanetary Magnetic Field (IMF) fluctuated between 2 and 5 nT. Bz varied between 3 and -3 nT.

Quiet to unsettled geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 1) were registered in the past 24 hours. Quiet geomagnetic levels are expected over the next 24 hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 17 Stationen.

Solarindizes für den 21 Dec 2018

Wolf-Zahl Catania	000
10cm Solarflux	071
AK Chambon La Forêt	008
AK Wingst	006
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 15 Stationen

Zusammenfassung auffälliger Ereignisse

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

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