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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Apr 05 1235 UTC

Vorhersage des SIDC

Sonneneruptionen

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

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

Sonnenprotonen

Quiet

	10cm Fluss	Ap
05 Apr 2018	069	006
06 Apr 2018	069	010
07 Apr 2018	069	011

Bulletin

Over the past 24 hours solar activity has been low with no spotted regions on the solar disk. No flares have been recorded. No Earth directed Coronal Mass Ejections (CMEs) have been detected. The greater than 10MeV proton flux remained at background levels over the past 24 hours. A low latitude negative polarity coronal hole currently located in the eastern hemisphere is approaching central meridian. Solar activity is expected to remain low over the next 24 hours. Only B-class flares can be expected. The solar wind speed has been slowly increasing from around 330 to 380 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 1 nT and 7 nT. The Bz component has fluctuated between -3 nT and +4.5 nT. Geomagnetic conditions ranged Kp index between 1-3 (NOAA) and local K index between 1-3 (Dourbes) over the past 24 hours. Mostly quiet to unsettled geomagnetic levels are expected today and tomorrow. Active conditions can be expected from April 7 (late) due to the influences of a high speed stream coming from the low-latitude negative polarity coronal hole.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 16 Stationen.

Solarindizes für den 04 Apr 2018

Wolf-Zahl Catania	///
10cm Solarflux	069
AK Chambon La Forêt	013
AK Wingst	006
Geschätzer Ap-Wert	006
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 23 Stationen

Zusammenfassung auffälliger Ereignisse

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

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