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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 May 31 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

C-class flares expected, (probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
31 May 2016	085	006
01 Jun 2016	085	007
02 Jun 2016	090	007

Bulletin

There are four active regions visible on the solar disk. NOAA active region 2550 and new region 2551 were responsible for some minor flaring, including a single C1.0 flare (from NOAA 2550, peaking at 13:24). NOAA 2548 is rounding the west limb. An isolated C-class flare may occur, but no major flares are expected. No Earth-directed coronal mass ejections (CMEs) were observed.

ACE observations indicate the weakening influence of the high speed stream (HSS). The solar wind speed has decreased to about 450 km/s, the magnitude of the magnetic field reached maximally 6 nT, with a fluctuating Bz. Geomagnetic conditions were quiet to unsettled (maximum K=3), both at local (Dourbes) and global levels (Potzdam, NOAA), which is expected to remain so.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 035, basierend auf 14 Stationen.

Solarindizes für den 30 May 2016

Wolf-Zahl Catania	///
10cm Solarflux	086
AK Chambon La Forêt	012
AK Wingst	014
Geschätzer Ap-Wert	013
Geschätzte internationale Sonnenfleckenzahl	042 - Basierend auf 19 Stationen

Zusammenfassung auffälliger Ereignisse

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

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