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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Apr 06 1230 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
06 Apr 2018	066	007
07 Apr 2018	067	007
08 Apr 2018	066	011

Bulletin

Over the past 24 hours solar activity has been low with no active 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 has reached the 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 350 to 450 km/s during the first half of the period. Later solar wind speed growth stabilized around 420 km/s. The total magnetic field strength has fluctuated between 2 nT and 9 nT. The Bz component has fluctuated between -6 nT and +7 nT. Geomagnetic conditions ranged between Kp index 1-3 (NOAA) and local K index 1-3 (Dourbes) over the past 24 hours. Mostly quiet to unsettled geomagnetic levels are expected today and tomorrow. Active conditions can be expected most likely from April 8 afternoon 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 27 Stationen.

Solarindizes für den 05 Apr 2018

Wolf-Zahl Catania	000
10cm Solarflux	066
AK Chambon La Forêt	012
AK Wingst	010
Geschätzer Ap-Wert	010
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 35 Stationen

Zusammenfassung auffälliger Ereignisse

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

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