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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Oct 23 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Minor storm expected (A>=30 or K=5)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
23 Oct 2019	066	005
24 Oct 2019	066	047
25 Oct 2019	066	028

Bulletin

Solar X ray flux remained below B level throughout the period. There are no active regions on disk and X-ray flux is expected to remain at background levels.

The filament eruption reported yesterday did not have any noticeable CME associated. No Earth-directed CME's were detected in coronagraph images.

Solar high energy proton fluxes were at background levels and are expected to remain so.

Solar wind conditions were nominal, with Solar wind speed around 350 km/s throughout the period and total magnetic field under 5nT. The magnetic field phi angle was in the negative sector. Solar wind is expected to increase significantly by tomorrow noon October 24 due to the recurrent high speed stream from an equatorial positive polarity coronal hole.

Geomagnetic conditions were quiet (NOAA Kp 0-1 and local K Dourbes 0-2). Geomagnetic conditions are expected to reach active levels with periods of minor geomagentic storming associated to the expected high speed stream. There is a chance that moderate storm levels (K=6) be reached.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 17 Stationen.

Solarindizes für den 22 Oct 2019

Wolf-Zahl Catania	///
10cm Solarflux	066
AK Chambon La Forêt	006
AK Wingst	003
Geschätzer Ap-Wert	003
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 27 Stationen

Zusammenfassung auffälliger Ereignisse

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

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