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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Jun 17 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
17 Jun 2018	071	007
18 Jun 2018	071	010
19 Jun 2018	071	016

Bulletin

Solar activity was very low with X-ray flux remaining below B level. Catania sunspot group 86 (NOAA active region 2713) almost fully decayed. Chances for C class flaring remain very low.

No Earth directed CMEs were observed in coronagraph images.

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

Solar wind conditions have been nominal with solar wind speed around 300 km/s and total magnetic field below 5 nT. The Bz component of the magnetic field was variable. The magnetic field phi angle indicates a negative sector connection. Solar wind conditions are expected to remain nominal in the next 24 hours with afterwards an expected sector change and a moderate increase in solar wind speed associated to the positive polarity coronal hole in the northern hemisphere that has passed the central meridian June 14-15.

Geomagnetic conditions were quiet to unsettled (local K Dourbes 0-3 and NOAA Kp 0-1) and are expected to first be quiet and later quiet to unsettled as solar wind speed becomes slightly increased.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 014, basierend auf 11 Stationen.

Solarindizes für den 16 Jun 2018

Wolf-Zahl Catania	///
10cm Solarflux	071
AK Chambon La Forêt	006
AK Wingst	///
Geschätzer Ap-Wert	003
Geschätzte internationale Sonnenfleckenzahl	015 - Basierend auf 21 Stationen

Zusammenfassung auffälliger Ereignisse

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

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