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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 May 02 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
02 May 2018	067	006
03 May 2018	067	007
04 May 2018	067	007

Bulletin

Solar activity was very low with a single minor B flare from the plage region turning around the West limb. There are no spotted regions on disk and X ray flux is expected to remain at background levels.

No Earth directed CME's were observed in coronagraph data.

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

An equatorial negative polarity coronal hole is starting to transit the central meridian this afternoon. It is expected to influence solar wind conditions from May 6 onwards.

Solar wind saw a further steady decline of the velocity to values of under 400 km/s since after midnight. Total magnetic field remained between 4.5 and 6.5 nT with a variable Bz. Nominal Solar wind conditions are expected over the next days, until May 6 when the influence of the equatorial coronal hole is expected to increase solar wind conditions.

Geomagnetic conditions were quiet (local K Dourbes 1-2 and NOAA Kp 0-2) and are expected to remain quiet until May 6 when the influence of the equatorial coronal hole is expected to raise geomagnetic conditions to active levels.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 18 Stationen.

Solarindizes für den 01 May 2018

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	006
AK Wingst	002
Geschätzer Ap-Wert	001
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 32 Stationen

Zusammenfassung auffälliger Ereignisse

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

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