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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 May 12 1238 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
12 May 2016	091	005
13 May 2016	092	006
14 May 2016	093	005

Bulletin

Over the past 24 hours solar activity has been very low. The largest flare was a B8.2 class flare, produced by Active Region (AR) 2542 (Gai:Beta), which peaked at 14:22 UT today. There are three other inactive ARs on the solar disk (AR 2543, AR 2544, AR 2545). No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours. Solar activity is expected to remain low over the next 24 hours with a probability of C-class flares. The solar wind parameters variations are decaying after the influence of the negative polarity coronal hole effects. The solar wind speed has decreased till approximately 400 km/s over the past 24 hours. The total magnetic field strength magnitude has decreased till 4-5 nT. The Bz component of magnetic field has been mostly negative over the past 24 hours, varying between +2 and -4 nT. Geomagnetic conditions ranged between Kp index 1-2 (NOAA) and local K index 1-3 (Dourbes) over the past 24 hours. Geomagnetic activity is expected to remain low within next 2 days.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 083, basierend auf 16 Stationen.

Solarindizes für den 11 May 2016

Wolf-Zahl Catania	///
10cm Solarflux	094
AK Chambon La Forêt	010
AK Wingst	008
Geschätzer Ap-Wert	006
Geschätzte internationale Sonnenfleckenzahl	077 - Basierend auf 25 Stationen

Zusammenfassung auffälliger Ereignisse

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

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