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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Jun 11 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
11 Jun 2018	070	006
12 Jun 2018	071	011
13 Jun 2018	071	017

Bulletin

Solar activity was very low, with X-ray flux remaining below B level. A new region is rotating onto the disk, but at present chances for C flares are still judged to be very low.

No Earth directed CMEs have been observed in coronagraph data.

Proton flux levels were at background values and are expected to remain so.

A small negative polarity coronal hole in the southern hemisphere has passed the central meridian yesterday. It may become geoeffective from late June 12.

Solar wind conditions have been nominal with solar wind speed further decreasing to below 300 km/s. Total magnetic field was 1-4 nT with the Bz component mainly negative but not reaching below -3nT. The magnetic field phi angle was initially variable but now clearly indicates a negative sector connection. Solar wind conditions may become slightly disturbed from late June 12 due a small coronal hole in the Southern hemisphere.

Geomagnetic conditions were quiet (local K Dourbes 1-2, and NOAA Kp 1) and are initially expected to remain so. Later unsettled conditions may be experienced.

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

Solarindizes für den 10 Jun 2018

Wolf-Zahl Catania	///
10cm Solarflux	070
AK Chambon La Forêt	006
AK Wingst	///
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 22 Stationen

Zusammenfassung auffälliger Ereignisse

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

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